tag:blogger.com,1999:blog-23656442520265782072024-03-14T02:04:07.042+00:00Science PassThis site is intended to support you in becoming more active science learners and thinkers.N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comBlogger135125tag:blogger.com,1999:blog-2365644252026578207.post-3997818030192643892014-02-06T19:45:00.002+00:002014-02-06T19:45:35.110+00:00Play to Cure™: Smartphone gameImagine if the time spent playing games on a smartphone could be spent helping to find the cure cancer! Imagine no longer - you can now do just that by downloading and playing Play to Cure™ on your smartphone; by doing so you will be <a href="http://www.cancerresearchuk.org/support-us/play-to-cure-genes-in-space" target="_blank">helping Cancer Research</a> to find a cure for cancer. Over 200,000 people have are already playing which has saved researchers months of analytical work. Have fun!<br />
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<iframe allowfullscreen="" frameborder="0" height="315" src="//www.youtube.com/embed/CeEDAchrc1U" width="560"></iframe><br />
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<div style="background-color: whitesmoke; box-sizing: border-box; color: #333333; font-family: Arial, sans-serif; font-size: 14px; line-height: 19.99997901916504px; margin-bottom: 1em;">
<strong style="box-sizing: border-box;"><span class="more" style="box-sizing: border-box; list-style: none; margin-bottom: 0px;"><a href="https://itunes.apple.com/gb/app/play-to-cure-genes-in-space/id784643890?mt=8" style="background-color: transparent; background-image: url(http://www.cancerresearchuk.org/sites/all/themes/custom/cruk/images/pink-arrow.png); background-position: 0px 50%; background-repeat: no-repeat no-repeat; box-sizing: border-box; color: #db429b; padding-left: 15px; text-decoration: none;">Download from Apple App Store</a></span></strong></div>
<div style="background-color: whitesmoke; box-sizing: border-box; color: #333333; font-family: Arial, sans-serif; font-size: 14px; line-height: 19.99997901916504px; margin-bottom: 1em;">
<strong style="box-sizing: border-box;"><span class="more" style="box-sizing: border-box; list-style: none; margin-bottom: 0px;"><a href="https://play.google.com/store/apps/details?id=com.guerillatea.elementalpha" style="background-color: transparent; background-image: url(http://www.cancerresearchuk.org/sites/all/themes/custom/cruk/images/pink-arrow.png); background-position: 0px 50%; background-repeat: no-repeat no-repeat; box-sizing: border-box; color: #db429b; padding-left: 15px; text-decoration: none;">Download from Google Play</a></span></strong></div>
N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-48301249072696149042012-11-16T00:30:00.000+00:002013-04-02T00:28:10.903+01:00'Perfect' Archduke Joseph diamond sells for 13 million pounds<span style="background-color: white; color: #505050; font-family: Arial, Helmet, Freesans, sans-serif; font-size: 14px; line-height: 18px;">The 76-carat Archduke Joseph diamond recently sold by the Christie's auction house in Geneva to </span><span style="background-color: white; color: #505050; font-family: Arial, Helmet, Freesans, sans-serif; font-size: 13.63636302947998px; line-height: 17.999998092651367px;">an anonymous bidder.</span><br />
<span style="background-color: white; color: #505050; font-family: Arial, Helmet, Freesans, sans-serif; font-size: 13.63636302947998px; line-height: 17.999998092651367px;"><br />
</span> <span style="background-color: white; color: #505050; font-family: Arial, Helmet, Freesans, sans-serif; font-size: 13.63636302947998px; line-height: 17.999998092651367px;">But a diamond is simply an allotrope of the element Carbon, the same element makes up a different structural form, Graphite, which doesn't cost as much and has very different physical properties. Find out about <a href="http://www.sciencepass.com/2008/03/allotropes-of-carbon.html" target="_blank">allotropes of carbon</a> by visting <a href="http://www.sciencepass.com/2008/03/allotropes-of-carbon.html" target="_blank">THIS PAGE</a> and watching the </span><b style="font-family: Calibri;">You Tube video below:<br />
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<iframe allowfullscreen="" frameborder="0" height="315" src="http://www.youtube.com/embed/n22_6pCX6e0" width="100%"></iframe><br />
</b><a href="http://www.youtube.com/watch?v=n22_6pCX6e0">http://www.youtube.com/watch?v=n22_6pCX6e0</a><b style="font-family: Calibri;"><br />
<a href="http://www.topcashback.co.uk/share/sciencepass/diamonds-factory" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;" target="_blank"><img border="0" src="http://www.topcashback.co.uk/images/suppliers/diamondssmall.png" /></a></b>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-32479129420891855472012-05-27T23:14:00.000+01:002012-06-04T22:26:45.830+01:00Anti genetically modified wheat protest in Hertfordshire, UK<div style="text-align: -webkit-left;">
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<span style="font-family: inherit;">bbc.co.uk (2012) <st1:stockticker>BBC</st1:stockticker> News - Anti-GM wheat protest halted by police. [online] Available at: <a href="http://www.bbc.co.uk/news/science-environment-18224637" target="_blank">http://www.bbc.co.uk/news/science-environment-18224637</a> [Accessed: <st1:date day="27" month="5" year="2012">27 May 2012</st1:date>].<br />
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<span style="font-family: inherit;"><br />
According to the United Nations, the world population reached 7 Billion on <st1:date day="31" month="10" year="2011">October 31, 2011</st1:date>. However, the <a href="http://www.census.gov/main/www/popclock.html" target="_blank">US Census Bureau</a> estimates that the 7 billion mark was only reached on <st1:date day="12" month="3" year="2012">March 12, 2012</st1:date>. Is it possible to feed such a high and increasing world population using traditional, organic, farming methods and "conventional" plant and animal species? Why is there an opposition to genetically modified (GM) plant and animal? After all, haven't many of the plant and animal species used for food today been 'genetically altered' through selective breeding?</span><br />
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<span style="font-family: inherit;"> Learn about the difference between selective breeding and transgenics by watching the video below: </span><a href="http://www.youtube.com/watch?v=cDrma6ey1Y4">http://www.youtube.com/watch?v=cDrma6ey1Y4</a><br />
<embed allowfullscreen="true" allowscriptaccess="always" height="390" src="http://www.youtube-nocookie.com/v/cDrma6ey1Y4?fs=1&hl=en_GB" style="background-color: white; font-family: inherit; line-height: 18px; text-align: -webkit-left;" type="application/x-shockwave-flash" width="100%"></embed>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.com0tag:blogger.com,1999:blog-2365644252026578207.post-2925097636991839232012-05-10T22:11:00.000+01:002012-05-16T10:33:42.733+01:00Nanotube 'Sponge' Has Potential in Oil Spill Cleanup<span class="date" style="background-color: white; color: #666666; line-height: 19px; text-align: left;"><span style="font-family: inherit;"><span style="color: #333333; line-height: 18px;">Rice University and Penn State University have designed a sponge, based on </span><span style="color: #333333; line-height: 18px;">carbon nanotubes, that has the ability to absorb oil spills. The oil can either be retrieved from sponge or be burned off without damaging the sponge; the sponge can then can be reused. Read the full article by <a href="http://news.rice.edu/2012/04/16/nanosponges-soak-up-oil-again-and-again-2/" rel="nofollow" target="_blank">CLICKING HERE</a>. </span></span></span><br />
<span class="date" style="background-color: white; color: #666666; line-height: 19px; text-align: left;"><span style="font-family: inherit;"><span style="color: #333333; line-height: 18px;"><br /></span></span></span><br />
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<span class="date" style="background-color: white; text-align: left;"><span style="background-color: transparent; line-height: 18px;"><span style="color: #333333;"><embed allowfullscreen="true" allowscriptaccess="always" height="390" src="http://www.youtube-nocookie.com/v/OCKyMn-2edo?fs=1&hl=en_GB" type="application/x-shockwave-flash" width="100%"></embed></span></span></span></div>
<span style="color: #333333;"><span style="line-height: 18px;"><br /></span></span><br />
<span style="background-color: white; color: #333333; line-height: 18px;">Further scientific details can be found by <a href="http://www.nature.com/srep/2012/120413/srep00363/full/srep00363.html" rel="nofollow" target="_blank">CLICKING HERE</a>.</span>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.com0tag:blogger.com,1999:blog-2365644252026578207.post-6378628471891144342012-05-03T10:18:00.000+01:002012-05-04T11:52:40.738+01:00Catalytic cracking of paraffin<h2>
Use the following video and links to help you achieve the following:
</h2>
<ul>
<li>Define <em>catalyst</em> and describe how a they work. Describe what <em>unsaturated hydrocarbons</em> are.
</li>
<li>Describe how to carryout the <a href="http://www.rsc.org/images/cracking_tcm18-188813.pdf" rel="nofollow" target="_blank">catalytic cracking of liquid paraffin in a school laboratory</a> <i>safely</i>, and <em>test</em> for the products. Explain why catalytic cracking is carried out.
</li>
<li>Plan a <i>valid </i>and <i>reliable </i>investigation to find out how the <i>temperature </i>of a catalyst affects how <i>quickly </i>unsaturated hydrocarbons are produced.
</li>
</ul>
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<embed allowfullscreen="true" allowscriptaccess="always" height="390" src="http://www.youtube-nocookie.com/v/ZYyKUePdC2Y?fs=1&hl=en_GB" type="application/x-shockwave-flash" width="100%"></embed><br />
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<div>
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Some things to consider while watching the video:
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<ol>
<li>What equipment were used?
</li>
<li>How was the equipment set up? <a href="http://www.rsc.org/learn-chemistry/wiki/images/thumb/8/8b/CrackingHydrocarbonsII.PNG/750px-CrackingHydrocarbonsII.PNG" rel="nofollow" target="_blank">Draw diagram</a>.
</li>
<li>What was used as a catalyst?
</li>
<li>How were the catalyst and liquid paraffin heated?
</li>
<li>Why were the catalyst and liquid paraffin heated in this way?
</li>
<li>Why were the first two test tubes of collected gas discarded?
</li>
<li>
How was the <a href="http://www.cleapss.org.uk/attachments/article/0/SSS55.pdf?Secondary/Science/Student%20Safety%20Sheets/" rel="nofollow" target="_blank">bromine water</a> test done, and what was the colour change observed?</li>
<li>What is the science behind the bromine water test for unsaturated hydrocarbons?</li>
<li>How was the <a href="http://www.cleapss.org.uk/attachments/article/0/SSS48.pdf?Secondary/Science/Student%20Safety%20Sheets/" rel="nofollow" target="_blank">acidified potassium permanganate</a> test done, and what was the colour change observed?</li>
</ol>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.com0tag:blogger.com,1999:blog-2365644252026578207.post-77959632694098786962012-01-30T21:50:00.003+00:002012-01-30T21:53:31.216+00:00What happens to the fuel that you put into your car?<embed height="470" src="http://moodle.treviglas.cornwall.sch.uk/intranet/science%20ipack/content/science/c1/resources/anims/IC1_5.swf" type="application/x-shockwave-flash" width="100%"></embed>
"Fuels react with oxygen to release energy. Complete combustion happens in a plentiful supply of air. Incomplete combustion occurs when the supply of air is limited. Complete combustion releases more energy than incomplete combustion. Incomplete combustion also creates carbon monoxide, and more soot. Several factors must be considered when choosing the best fuel for a particular purpose."<br />
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Find out more by using the website below.<br />
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<b> BBC - GCSE Bitesize: Combustion (2012)</b> [online] Available at: <a href="http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway_pre_2011/carbon_chem/7_using_carbon_fuels1.shtml" target="blank">http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway_pre_2011/carbon_chem/7_using_carbon_fuels1.shtml</a> [Accessed: 30/01/12].N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-73708217615933546712011-06-30T01:52:00.007+01:002011-06-30T02:04:06.899+01:00Human guinea pigsHave you ever taken one of these? How safe do you think they are?<br />
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<div class="separator" style="clear: both; text-align: center;"><a href="http://www.wockhardt.co.uk/privatelabel/images/bigcheese_E074_006.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="449" src="http://www.wockhardt.co.uk/privatelabel/images/bigcheese_E074_006.jpg" width="640" /></a></div><b>Aim:</b><br />
1) Describe <b>how medicines and vaccines are tested.</b> [<a href="http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway/ourselves/2_keeping_healthy4.shtml">CLICK HERE if you need help</a>]<br />
2) Compare the different types of <b>clinical trial</b> - including ‘<b>open-label</b>’, ‘<b>blind</b>’ and ‘<b>double-blind</b>’ human trials. [<a href="http://www.crncc.nihr.ac.uk/Resources/NIHR%20CRN%20CC/PPI/Documents/uct_oct06_final.pdf" target="blank">CLICK HERE if you need help</a>]<br />
3) Complete <a href="http://www.bbc.co.uk/apps/ifl/schools/gcsebitesize/science/quizengine?quiz=ocr_gateway_keeping_healthy_h&templateStyle=science" target="blank">THIS TEST</a> and <b>record the correct answers into your book</b>.<br />
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<object height="390" width="100%"><param name="movie" value="http://www.youtube-nocookie.com/v/Nmkj5gq1cQU?fs=1&hl=en_GB"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube-nocookie.com/v/aSP2OMiFxhg?fs=1&hl=en_GB" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="100%" height="390"></embed></object>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-51862600042491039482011-05-26T23:56:00.000+01:002011-05-26T23:56:57.412+01:00Meet the Super CowKnowledge of genes and selective breeding has allowed scientists and farmers to do some pretty 'amazing' things, but is it <a href="http://dictionary.reference.com/browse/ethical" target="blank"><b><i>ethical</i></b></a>?<br />
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<object height="390" width="100%"><param name="movie" value="http://www.youtube-nocookie.com/v/Nmkj5gq1cQU?fs=1&hl=en_GB"> </param><param name="allowFullScreen" value="true"> </param><param name="allowscriptaccess" value="always"> </param><embed src="http://www.youtube-nocookie.com/v/Nmkj5gq1cQU?fs=1&hl=en_GB" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="100%" height="390"></embed></object><br />
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Use your knowledge from studying unit <b>B1 - You and your Genes</b> to selectively breed tigers:<br />
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<embed height="370" src="http://www.mnzoo.com/education/games/matchmaker/matchmaker.swf" type="application/x-shockwave-flash" width="100%"></embed><br />
Minnesota Zoo (2011) <b>Zoo Matchmaker</b><b></b>, [online] Available at:<a href="http://www.mnzoo.com/education/games/matchmaker/matchmaker.swf">http://www.mnzoo.com/education/games/matchmaker/matchmaker.swf</a><a href="http://www.sciencemuseum.org.uk/WhoAmI/FindOutMore/Yourgenes.aspx"></a> [Accessed: 26th May 2011].N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-63824309454680705832011-05-21T22:45:00.002+01:002011-05-22T00:26:25.010+01:00Inside the Human Body - on BBC iPlayer until 9:59PM Thu, 2 Jun 2011<b>1. Creation</b><br />
<embed allowfullscreen="true" allowscriptaccess="always" bgcolor="#000000" flashvars="embedReferer=&embedPageUrl=http://www.bbc.co.uk/iplayer/episode/b01102yg/Top_Gear_Series_13_Episode_1_(new_series)/?t=00m01s&domId=bip-play-emp&config=http://www.bbc.co.uk/emp/iplayer/config.xml&playlist=http://www.bbc.co.uk/iplayer/playlist/b01102yg&holdingImage=http://node2.bbcimg.co.uk/iplayer/images/episode/b01102yg_640_360.jpg&config_settings_bitrateFloor=0&config_settings_bitrateCeiling=2500&config_settings_transportHeight=35&config_settings_cueItem=b00ldy1k:875&config_settings_showPopoutCta=false&config_messages_diagnosticsMessageBody=Insufficient bandwidth to stream this programme. Try downloading instead, or see our diagnostics page.&config_settings_language=en&guidance=unset" height="395" id="bbc_emp_embed_bip-play-emp" name="bbc_emp_embed_bip-play-emp" quality="high" src="http://www.bbc.co.uk/emp/9player.swf?revision=10344_10570" type="application/x-shockwave-flash" width="640" wmode="default"></embed><br />
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"Series exploring the wonders of the human body. Using spectacular graphics based on real images and the latest scientific research, Michael Mosley takes viewers on a voyage through the workings of the inner human universe. Travelling through the body, tiny clusters of hairs loom as large as a forest and hidden chambers of the heart rise up like a vast cathedral. To illustrate the surprising ways bodies work, the series also tells the stories of remarkable people from around the world who have pushed theirs to the absolute limit. From the moment of creation to our last breath, the series reveals the human body's ability to amaze and delight." <b>BBC One Programmes </b>(2011) <i>Inside the Human Body, </i>[online] Available at: <a href="http://www.bbc.co.uk/programmes/b0110f51">http://www.bbc.co.uk/programmes/b0110f51</a> [Accessed: 21st May 211].N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-21970692738256617472011-05-12T12:56:00.000+01:002011-05-13T21:38:57.119+01:00Klinefelter’s Syndrome<a href="http://www.google.co.uk/search?um=1&hl=en&safe=active&rls=com.microsoft:en-gb:IE-SearchBox&tbm=isch&sa=X&ei=8s7LTZCONtSZhQeDhYmqAg&ved=0CDcQBSgA&q=karyotype+klinefelter+syndrome&spell=1&biw=897&bih=397">The karyotype for someone with Klinefelter Syndrome [CLICK HERE]</a><br />
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<br />
Sarah Gronert: tennis player<br />
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Caster Semenya: 800m <br />
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Stella Walsh: 100mN.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-83671939473708093962011-03-24T22:21:00.001+00:002011-03-24T22:27:48.832+00:0011th March 2011: earthquake and tsunami"On <b>Friday 11 March 2011</b>, an <a href="http://www.livescience.com/13175-japan-8-9-earthquake-tsunami.html"><b>earthquake </b></a>measuring <b>9.0 </b>on the <b>Richter scale</b> triggered a <a href="http://www.livescience.com/13175-japan-8-9-earthquake-tsunami.html"><b>tsunami </b></a>that devastated parts of coastal <b>Japan</b>.<br />
Japan's Tsunami: How It Happened investigates the science behind the earthquake and tsunami. The programme follows Professor of Geological Sciences Roger Bilham - who arrived in Japan days after the earthquake struck - as he sets off to view the devastation from the air. <br />
<b>The earthquake moved Japan 12 feet closer to the USA</b>. The <b>earth was knocked off its axis</b> and the rate of the <b>earth's rotation was changed</b>. This was one of the biggest earthquakes ever measured; the ground along the east side of <b>Japan dropped by almost 10 feet</b>, making the tsunami catastrophic. <br />
The documentary also follows renowned journalist Callum Macrae as he travels to the north, where the towns of Sendai and Ofunato used to be bustling fishing villages. Here he views the destruction first hand and meets the locals struggling to cope in the aftermath. <br />
Japan lies on the <a href="http://www.ouramazingplanet.com/secret-behind-formation-of-volcanic-ring-of-fire-found-0644/"><b>Pacific Ring of Fire</b></a> where the Pacific Ocean plates meet the land. The ocean floor dives beneath the volcanic chain of islands that make up Japan. And when the tension builds up between the two plates the energy is released as a massive earthquake. <br />
The programme provides the science and analysis to explain why this happened where it did, and why it was so devastating, hearing from the scientists at the Pacific Tsunami Warning Centre in Hawaii who tracked the deadly wave as it raced across the pacific, and scientists at the Tsunami research facility in Oregon who study the dynamics of earthquake-generated Tsunamis. <br />
As Japan is lives with the consequences of this terrible force of nature, the film reveals how it has changed the country forever." [<b>Channel 4</b> (2011) <i>Japan's Tsunami: How It Happened, </i>[online] Available at: <a href="http://www.channel4.com/programmes/japans-tsunami-how-it-happened/episode-guide/series-1/episode-1">http://www.channel4.com/programmes/japans-tsunami-how-it-happened/episode-guide/series-1/episode-1 </a>[Accessed: 24th March 2010].<br />
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The video can be seen on TV on Saturday 26th March at 10pm on <a href="http://www.channel4.com/tv-listings/daily/2011/03/26#M4_22:00">More4</a>, and soon after on 4oD.<br />
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<object height="390" width="100%"><param name="movie" value="http://www.youtube-nocookie.com/v/JQ27PNRe4zA?fs=1&hl=en_GB"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube-nocookie.com/v/JQ27PNRe4zA?fs=1&hl=en_GB" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="100%" height="390"></embed></object>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-44400430830571465002011-03-21T00:31:00.000+00:002011-03-21T00:31:08.164+00:00The sound the universe makes"We think of space as a silent place. But physicist Janna Levin says the universe has a soundtrack -- a sonic composition that records some of the most dramatic events in outer space. (Black holes, for instance, bang on spacetime like a drum.) An accessible and mind-expanding soundwalk through the universe." <a href="http://www.ted.com/talks/janna_levin_the_sound_the_universe_makes.html">www.ted.com </a><br />
<br />
<b>Janna Levin: The sound the universe makes | Video on TED.com</b><br />
<object height="326" width="100%"><param name="movie" value="http://video.ted.com/assets/player/swf/EmbedPlayer.swf"></param><param name="allowFullScreen" value="true" /><param name="allowScriptAccess" value="always"/><param name="wmode" value="transparent"></param><param name="bgColor" value="#ffffff"></param><param name="flashvars" value="vu=http://video.ted.com/talks/dynamic/JannaLevin_2011-medium.flv&su=http://images.ted.com/images/ted/tedindex/embed-posters/JannaLevin-2011.embed_thumbnail.jpg&vw=432&vh=240&ap=0&ti=1095&introDuration=15330&adDuration=4000&postAdDuration=830&adKeys=talk=janna_levin_the_sound_the_universe_makes;year=2011;theme=to_boldly_go;theme=peering_into_space;theme=a_taste_of_ted2011;theme=new_on_ted_com;event=TED2011;&preAdTag=tconf.ted/embed;tile=1;sz=512x288;" /><embed src="http://video.ted.com/assets/player/swf/EmbedPlayer.swf" pluginspace="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" wmode="transparent" bgColor="#ffffff" width="100%" height="326" allowFullScreen="true" allowScriptAccess="always" flashvars="vu=http://video.ted.com/talks/dynamic/JannaLevin_2011-medium.flv&su=http://images.ted.com/images/ted/tedindex/embed-posters/JannaLevin-2011.embed_thumbnail.jpg&vw=432&vh=240&ap=0&ti=1095&introDuration=15330&adDuration=4000&postAdDuration=830&adKeys=talk=janna_levin_the_sound_the_universe_makes;year=2011;theme=to_boldly_go;theme=peering_into_space;theme=a_taste_of_ted2011;theme=new_on_ted_com;event=TED2011;"></embed></object>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-39924009305190826332011-03-14T23:01:00.000+00:002012-05-16T10:34:17.129+01:00Redox Titration Panicking about mole calculations and titrations? The following video tutorial and simulation may be useful:<br />
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<object height="390" width="100%"><param name="movie" value="http://www.youtube-nocookie.com/v/AjPQ6S9qbDw?fs=1&hl=en_GB">
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<embed src="http://www.youtube-nocookie.com/v/AjPQ6S9qbDw?fs=1&hl=en_GB" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="100%" height="390"></embed></object><br />
<br />
<embed height="470" src="http://www.chem.iastate.edu/group/Greenbowe/sections/projectfolder/flashfiles/redoxNew/redox.swf" type="application/x-shockwave-flash" width="100%"></embed>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-1904089671738140122011-03-11T01:13:00.006+00:002011-03-11T01:39:54.503+00:00The Solar System<div style="font-family: inherit;"><span style="font-size: small;"><b>Scenario</b>:</span><span style="font-size: small; font-weight: normal;"> You are applying for a scholarship at the British Space agency in Leister. You have been asked to send them an interactive map of the solar system, describing the solar system and explaining the evidence and theories for changes that are occurring in our universe. The map is to be used for a KS3 science day.</span><span style="font-size: small;"></span></div><h3 style="font-family: inherit; font-weight: normal;"><b><span style="font-size: small;">Background information:</span><span style="font-size: small;"> </span></b></h3><h3 style="font-family: inherit;"><span style="font-size: small;"> <span style="font-weight: normal;">To achieve the criteria you must produce an interactive model or map of the solar system that shows clear understanding of the layout of the solar and demonstrates knowledge of how the solar system formed and how we collect data on it today.</span></span></h3><h3 style="font-family: inherit;"></h3><div class="MsoHeader" style="font-family: inherit;"><span style="font-size: small;"><b>P9</b>: </span></div><div class="MsoHeader" style="font-family: inherit; margin-left: 36pt; text-indent: -18pt;"><span style="font-size: small;">·<span style="font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;"> </span></span><span style="font-size: small;">Create a model or <a href="http://cse.ssl.berkeley.edu/AtHomeAstronomy/act09_imagecards.html">map of the solar system</a>. </span></div><div class="MsoHeader" style="font-family: inherit; margin-left: 36pt; text-indent: -18pt;"><span style="font-size: small;">·<span style="font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;"> </span></span><span style="font-size: small;">It must have labels showing the <a href="http://science.nationalgeographic.com/science/space/solar-system">planets</a>, <a href="http://science.nationalgeographic.com/science/space/solar-system/sun-article.html">star</a> and <a href="http://science.nationalgeographic.com/science/space/solar-system/asteroids-comets-article.html">other objects</a> within the system. </span></div><div class="MsoHeader" style="font-family: inherit; margin-left: 36pt; text-indent: -18pt;"><span style="font-size: small;">·<span style="font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;"> </span></span><span style="font-size: small;">The planets must also be in the correct order and have their <a href="http://www.exploratorium.edu/ronh/solar_system/index.html">sizes </a>and <a href="http://www.kidsastronomy.com/solar_system.htm">chemistry </a>stated too.</span></div><div class="MsoHeader" style="font-family: inherit;"><span style="font-size: small;"><b>P10</b>: </span> </div><div class="MsoHeader" style="font-family: inherit; margin-left: 36pt; text-indent: -18pt;"><span style="font-size: small;">·</span><span style="font-size: small;"><span style="font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;"> </span></span><span style="font-size: small;">Identify at least two pieces of evidence that shows that the universe is changing. </span></div><div style="font-family: inherit;"><embed height="470" src="http://images.nationalgeographic.com/wpf/media-live/0/18/solarsystem-cb1262884282.swf" type="application/x-shockwave-flash" width="100%"></embed></div><br />
<object height="390" width="100%"><param name="movie" value="http://www.youtube-nocookie.com/v/HEheh1BH34Q?fs=1&hl=en_GB"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube-nocookie.com/v/HEheh1BH34Q?fs=1&hl=en_GB" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="100%" height="390"></embed></object>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-79432532860637029932011-03-01T23:03:00.010+00:002011-03-07T02:08:32.261+00:00Cell division: Meiosis vs MitosisNeed help with the cell division? Use the resources bellow to help you explain the difference between mitosis and meoisis. Knowing the answers to the following questions will help:<br />
1) <a href="http://learn.genetics.utah.edu/content/begin/tour/dna.swf" target="blank">What is DNA?</a><br />
2) <a href="http://learn.genetics.utah.edu/content/begin/tour/gene.swf">What is a gene?</a><br />
3) <a href="http://learn.genetics.utah.edu/content/begin/tour/chromosome.swf" target="blank">What is a chromosome?</a><br />
4) <a href="http://learn.genetics.utah.edu/content/begin/tour/inheritance.swf" target="blank">What is inheritance?</a><br />
5) <a href="http://learn.genetics.utah.edu/content/begin/tour/protein.swf" target="blank">What is a protein?</a><br />
<br />
<b>Mitosis vs. Meiosis:</b><br />
<embed height="470" src="http://www.pbs.org/wgbh/nova/baby/media/divi.swf" type="application/x-shockwave-flash" width="100%"></embed><br />
<br />
<object width="100%" height="390"><param name="movie" value="http://www.youtube-nocookie.com/v/jKraUoqlTN0?fs=1&hl=en_GB"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube-nocookie.com/v/jKraUoqlTN0?fs=1&hl=en_GB" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="100%" height="390"></embed></object>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-50519410122496139172011-02-28T21:47:00.007+00:002011-03-07T02:07:55.255+00:00The Haber Process - including simulation and animations<a href="http://www.chemguide.co.uk/physical/equilibria/haberflow.gif" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.chemguide.co.uk/physical/equilibria/haberflow.gif" style="cursor: pointer; display: block; height: 370px; margin: 0px auto 10px; text-align: center; width: 100%;" /></a><br />
<br />
Need help with the Haber Process? Use the following resources to help you: <a href="http://www.absorblearning.com/media/attachment.action?quick=128&att=2741" target="blank">THIS ANIMATION</a>, the science and details of the process can be <a href="http://www.ausetute.com.au/haberpro.html" target="blank">FOUND HERE</a> and <a href="http://www.chemguide.co.uk/physical/equilibria/haber.html" target="blank">HERE.</a><br />
<br />
<b>How pressure affects yield:</b><br />
<embed height="370" src="http://www.bbc.co.uk/schools/gcsebitesize/science/flash/gcsechem_19.swf" type="application/x-shockwave-flash" width="100%"></embed><br />
<br />
<b>How temperature affects yield:</b><br />
<embed height="370" src="http://www.bbc.co.uk/schools/gcsebitesize/science/flash/gcsechem_18.swf" type="application/x-shockwave-flash" width="100%"></embed><br />
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<object width="100%" height="390"><param name="movie" value="http://www.youtube-nocookie.com/v/Bmf4oQ8WWZY?fs=1&hl=en_GB"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube-nocookie.com/v/Bmf4oQ8WWZY?fs=1&hl=en_GB" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="100%" height="390"></embed></object>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-30603988863671173852011-02-25T13:09:00.005+00:002011-03-02T20:56:13.100+00:00Balancing Chemical EquationsThe following is a video attempting to answer a problematic topic for students at GCSE level: <b> How do you balance a chemical equation?</b> It is the first video [only entry at the moment] summitted to the <a href="http://www.channel4.com/programmes/jamies-dream-school">Jamie Oliver's Dream School </a>competition on the subject.<br />
<br />
The chef has teamed up with <a href="http://www.youtube.com/dreamteachers"><b>YouTube</b></a>, asking teachers to upload video clips of themselves in a bid to win a £10,000; £7,000 for the school and £3,000 for the teacher with the winning video entry. Judge for yourselves whether you think the video helps you to understand how to balance chemical equations.<br />
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<object height="370" width="100%"><param name="movie" value="http://www.youtube-nocookie.com/v/7xSAklnnex8I&hl=en_US&fs=1&rel=0&color1=0x006699&color2=0x54abd6" /><param name="allowFullScreen" value="true" /><param name="allowscriptaccess" value="always" /><embed src="http://www.youtube-nocookie.com/v/xSAklnnex8I&hl=en_US&fs=1&rel=0&color1=0x006699&color2=0x54abd6" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="100%" height="370"></embed></object>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-19203866806272047542011-02-10T16:58:00.007+00:002011-03-01T01:41:06.737+00:00Generating Electricity<a href="http://www.energyquest.ca.gov/story/chapter08.html" target="blank">Fossil fuels</a> are transported to power stations where they are burnt to transfer heat energy. This heats water, turning it to steam. The steam drives <a href="http://energyquest.ca.gov/story/chapter06.html" target="blank">turbines</a> which turn <a href="http://energyquest.ca.gov/story/chapter06.html" target="blank">generators</a>. The electricity generated flows along cables into the <a href="http://energyquest.ca.gov/story/chapter07.html" target="blank">National Grid</a>. <br />
<br />
<embed height="370" src="http://www.footprints-science.co.uk/flash/powerstation.swf" type="application/x-shockwave-flash" width="100%"></embed><br />
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Some power stations use <a href="http://www.energyquest.ca.gov/story/chapter13.html" target="blank">nuclear fuel</a>. Electricity also can be generated from <a href="http://energyquest.ca.gov/story/index.html" target="blank">renewable resources</a> such as <a href="http://energyquest.ca.gov/story/chapter16.html" target="blank">wind </a>and <a href="http://energyquest.ca.gov/story/chapter12.html" target="blank">moving water</a>. These will become more important as fossil fuels run out.<br />
<br />
Burning fossil fuels produces carbon dioxide, which is causing global warming. We need to reduce the amount of fossil fuels we burn.<br />
<br />
Watch movies on these topics using <a href="http://energyquest.ca.gov/movieroom/index.html" target="blank">THIS WEBSITE.</a><br />
<br />
Year 9 PowerPoint Presentations: <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/Generated%20Electricity%209A1%20%20EW%20and%20EB.ppsx" target="blank">EW</a>, <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/Generating%20electricity%209a1NW.ppsx" target="blank">NW</a>, <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/Generating%20Electricity%20CD.ppsx" target="blank">CD</a>, <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/Generating%20electricity%20GD%2BSA.ppsx" target="blank">GD</a>, <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/Generating%20electricity%20HE%20and%20ZT.ppsx" target="blank">HE</a>, <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/Generating%20Electricity%20JS%20%26%20LT.ppsx" target="blank">JS</a>, <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/Generating%20Electricity%20OJ.ppsx" target="blank">OJ</a>, <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/Generating%20Electricity%20RS%20%26%20EB.ppsx" target="blank">RS</a>, <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/Generating%20Electricity%20SS.ppsx" target="blank">SS</a>, <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/Generating%20Electricity%20TO.ppsx" target="blank">TO</a>, <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/Generating%20Energy%20AG.ppsx" target="blank">AG</a>, <a href="http://dl.dropbox.com/u/8222541/9A1%20Electricity%20PPT/RK%2BRP%20generating%20electricity.ppsx" target="blank">RK</a>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-36880475411391865562011-01-24T11:57:00.005+00:002011-03-01T01:42:48.367+00:00Recommend sites to help you with the nitrogen cycle and carbon cycle<div class="MsoNormal" style="margin: 0cm 0cm 0pt;">Recommended website by AH:</div><div class="MsoNormal" style="margin: 0cm 0cm 0pt;"><a href="http://www.nicksnowden.net/Module_3_pages/nitrogen_cycle.htm"><span style="color: blue; font-family: Calibri;">http://www.nicksnowden.net/Module_3_pages/nitrogen_cycle.htm</span></a></div>Refresh your memory:<br />
<a href="http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa/plants/plants1.shtml" target="_blank">BBC Bitezize: Green Plants</a><br />
<br />
Other useful animations:<br />
<object data="http://www.pbs.org/wgbh/nova/methuselah/media/photosynthesis.swf" height="370" type="application/x-shockwave-flash" width="100%">"> <param name="movie" value="http://www.pbs.org/wgbh/nova/methuselah/media/photosynthesis.swf" /><param name="allowFullScreen" value="true" /><param name="allowScriptAccess" value="always" /></object><br />
<br />
<a href="http://ilo.ecb.org/SourceFiles/photosynthesis.swf" target="_blank">Limitting Factors</a><br />
<a href="http://www.nodvin.net/snhu/SCI219/demos/Chapter_3/Chapter_03/Present/animations/51_1_2_1.html" target="_blank">Carbon Cycle 1</a><br />
<a href="http://www.nodvin.net/snhu/SCI219/demos/Chapter_3/Chapter_03/Present/animations/51_1_3_1.html" target="_blank">Cabon Cycle 2</a>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-63484474977943712912011-01-14T18:06:00.008+00:002011-03-01T01:45:49.219+00:00Oscilloscopes, CRT televisions and monitors1) Describe the use of cathode ray in oscilloscopes<br />
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<b>Video </b><br />
<object height="370" width="100%"><param name="movie" value="http://www.youtube.com/v/Gnl1vuwjHto?fs=1&hl=en_GB&color1=0x006699&color2=0x54abd6"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/Gnl1vuwjHto?fs=1&hl=en_GB&color1=0x006699&color2=0x54abd6" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="100%" height="370"></embed></object><br />
<br />
<b>Animation</b><br />
<object data="http://g.web.umkc.edu/gounevt/Animations/Animations211/CathodeRayTube.swf" height="370" type="application/x-shockwave-flash" width="100%">"> <param name="movie" value="http://g.web.umkc.edu/gounevt/Animations/Animations211/CathodeRayTube.swf" /><param name="allowFullScreen" value="true" /><param name="allowScriptAccess" value="always" /></object><br />
<br />
'<a href="http://computer.howstuffworks.com/monitor8.htm">How stuff works</a>' describes the the use of electron beams in CRT televisions and monitors <a href="http://computer.howstuffworks.com/monitor8.htm">CLICK HERE</a>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-46380704541215124932011-01-13T15:44:00.003+00:002011-01-13T23:15:35.688+00:00Measuring size range<b><u>Results</u></b><br />
1) <a href="http://dl.dropbox.com/u/8222541/11.2%20size%2C%2013jan10.xls">Use the class results [click here] to draw the following graphs</a>:<br />
<br />
<ul><li>a frequency graph of height</li>
<li>a frequency graph of head circumference</li>
<li>a scatter graph of height against head circumference.</li>
</ul>2 a) Calculate the average height for your class and mark that on your height graph.<br />
b) Calculate the average head circumference for your class and mark that on your head circumference graph.<br />
<div></div>c) Use the graphs to calculate the range of height and of head circumference shown by your class.<br />
<div></div><br />
3 Draw a line of best fit on your scatter graph.<br />
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<b><u>Evaluation</u></b><br />
<br />
4 a) Describe the shape of each of the two line graphs.<br />
b) Do the results follow a normal distribution curve (like the one on page 39 of the Students’ Book)?<br />
<div></div>c i) If they do, what would have been the effect of taking fewer samples? (If you are using a spreadsheet program, you can test this by selecting small samples from your dataset and graphing them.)<br />
<div></div><br />
ii) If they don’t, do you think you have enough data to answer research question A confidently?<br />
<div></div>Give a reason for your answer.<br />
<br />
5) How do you think the averages and ranges that you found for height and head circumference for your class compare with those for all the people in the UK? Explain your answer.<br />
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6a) Describe the line of best fit on your scatter graph. Does it show a positive relationship, a negative relationship or no relationship between the two factors?<br />
b) Do you have enough data to answer research question B confidently? Give a reason for your answer.<br />
<div></div>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-18858168637609209112011-01-12T22:30:00.003+00:002011-01-18T03:20:54.194+00:00Investigating and communicating energy transformations<div class="MsoNormal" style="font-family: inherit; line-height: normal;"><span style="font-size: small;"><b>Scenario</b></span><span style="font-size: small;">: You are the customer liaison officer for NPower. You have been asked to collate information and create a presentation for customers explaining to them where their electrical energy comes from and the different forms and transformations of energy there are. You have also been asked to include information to guide customers on how to calculate the efficiency of appliances and energy conversions in their home and explain the impact this has on the environment.</span></div><div class="MsoNormal" style="font-family: inherit; line-height: normal;"><span style="font-size: small;"><br />
</span></div><div class="MsoNoSpacing" style="font-family: inherit;"><span style="font-size: small;"><b>Background information:</b></span></div><div class="MsoNoSpacing" style="font-family: inherit;"><span style="font-size: small;">The presentation that you create must comprise of a leaflet, a written report, calculations and finally a peer assessed presentation to your colleagues. The work included must be in your own words and any resources must be referenced. The presentations will be carried out to small peer groups. As your work is for the benefit of the public it must explain all ideas clearly, but without losing any of the higher level scientific ideas.</span></div><div class="MsoNoSpacing" style="font-family: inherit;"><span style="font-size: small;"><br />
</span></div><div class="MsoNormal" style="font-family: inherit; line-height: normal;"><span style="font-size: small;"><b>Pass</b></span><span style="font-size: small;">: (using the task sheets given)</span></div><ul style="font-family: inherit;"><li><span style="font-size: small;">What are the laws of physics with regards to energy? State them and <a href="http://www.citethisforme.com/" target="blank">reference where you found the information</a>. (e.g, conservation of energy)</span></li>
</ul><ul style="font-family: inherit;"><li><span style="font-size: small;">Give examples to help explain this to your customers. Carry out the practical work that demonstrates how various types of energy can be transferred.</span></li>
</ul><ul style="font-family: inherit;"><li><span style="font-size: small;">Write a brief description of how you carried it out. </span></li>
</ul><ul style="font-family: inherit;"><li><span style="font-size: small;">Using the task sheet given, calculate the energy efficiency of the four examples that you gave, or the transfers investigated. </span></li>
</ul><div class="MsoNormal" style="font-family: inherit; line-height: normal;"><span style="font-size: small;"><b>Merit</b></span><span style="font-size: small;">:</span></div><ul style="font-family: inherit;"><li><span style="font-size: small;">Draw energy flow diagrams to show at least 4 energy transfers and relate it to household items.</span></li>
</ul><ul style="font-family: inherit;"><li><span style="font-size: small;">Use your calculations from P2 to create a leaflet explaining to the public how to carry out the calculation and explain the importance of knowing the efficiency of household items.</span></li>
</ul><h3 style="font-family: inherit; font-weight: normal;"><span style="font-size: small;"><b> Distinction: </b></span></h3><ul style="font-family: inherit;"><li><span style="font-size: small;">Explain how energy losses due to energy transformations in the home or workplace can be minimised to reduce the impact on the environment. </span></li>
</ul><ul style="font-family: inherit;"><li><span style="font-size: small;">Using the internet research energy saving devices that can be used in the home and workplace. </span></li>
</ul><ul style="font-family: inherit;"><li><span style="font-size: small;">Include this information in your presentation and discuss how much the devices cost to set up and how much they can save in a set period of time i.e. a year. </span></li>
</ul><ul style="font-family: inherit;"><li><span style="font-size: small;">Explain how saving energy can have a positive impact on the environment, you may wish to refer to the climate change adverts that ITV showed during spring 2010, or create your own advert, alongside your presentation.</span></li>
</ul><div class="MsoNormal" style="font-family: inherit;"><span style="font-size: small;"><br />
</span></div>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-13242877678952166032010-11-28T23:54:00.003+00:002012-05-16T10:34:48.761+01:00Protein Synthesis<b>Overview</b><br />
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<br />
<b>Transcription<br />
</b><br />
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<br />
<b>Translation</b><br />
<object data="http://www.stolaf.edu/people/giannini/flashanimat/molgenetics/translation.swf" height="370" type="application/x-shockwave-flash" width="100%">"> <param name="movie" value="http://www.stolaf.edu/people/giannini/flashanimat/molgenetics/translation.swf" />
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<br />
<b>In more detail</b><br />
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<br />
<b>Try for yourself:</b><br />
<object data="http://learn.genetics.utah.edu/content/begin/dna/transcribe/TranscribeTranslate.swf" height="370" type="application/x-shockwave-flash" width="100%">"> <param name="movie" value="http://learn.genetics.utah.edu/content/begin/dna/transcribe/TranscribeTranslate.swf" />
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</object>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-9757869552177885082010-11-26T11:28:00.003+00:002010-11-26T11:46:09.432+00:00The Nervous and Endocrine SystemOne half of the class is to research the nervous system:<br />
• Structure<br />
• Sections<br />
• How it works<br />
• Where it is found<br />
• Factors affecting it<br />
<br />
The other half is to research the endocrine system<br />
• Types of hormones<br />
• Where they are made<br />
• Where they work<br />
• How they are controlledN.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.comtag:blogger.com,1999:blog-2365644252026578207.post-61974920279997180392010-11-23T10:15:00.006+00:002011-03-01T01:47:00.091+00:00Food Chains and Food WebsFood chains connect all organisms. If a creature's food source is changed in any way, the creature's life changes too. You can see how the feeding relationships between plants and animals (including humans) are interdependent. Try the activity below and then <a href="http://www.bbc.co.uk/apps/ifl/schools/ks2bitesize/science/quizengine?quiz=foodchains&templateStyle=science">CLICK HERE</a> to complete a quick quiz; bring any questions that you you get wrong for discussion next lesson.<br />
<br />
<object data="http://www.bbc.co.uk/schools/ks2bitesize/science/flash/food_chains.swf" height="370" type="application/x-shockwave-flash" width="100%">"> <param name="movie" value="http://www.bbc.co.uk/schools/ks2bitesize/science/flash/food_chains.swf" /><param name="allowFullScreen" value="true" /><param name="allowScriptAccess" value="always" /></object>N.Vohttp://www.blogger.com/profile/12415772691169590591noreply@blogger.com