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	<title>Standard Grade Fizzics</title>
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	<itunes:author>Sinclair Mackenzie</itunes:author>
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	<copyright>Copyright © fizzics 2015</copyright>
	<podcast:license>Copyright © fizzics 2015</podcast:license>
	<podcast:medium>podcast</podcast:medium>
	<image>
		<title>Standard Grade – fizzics</title>
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<site xmlns="com-wordpress:feed-additions:1">28344013</site>	<itunes:keywords>physics,fizzics,thurso,standard,grade,mr,mackenzie</itunes:keywords><itunes:summary>Podcast to accompany Mr Mackenzie's Standard Grade Physics classes at Thurso High School.</itunes:summary><itunes:subtitle>Standard Grade Physics podcast</itunes:subtitle><itunes:category text="Education"><itunes:category text="K-12"/></itunes:category><itunes:owner><itunes:email>sinclairm@gmail.com</itunes:email><itunes:name>Sinclair Mackenzie</itunes:name></itunes:owner><item>
		<title>S4 – changing state</title>
		<link>https://mrmackenzie.co.uk/2013/03/s4-changing-state/</link>
					<comments>https://mrmackenzie.co.uk/2013/03/s4-changing-state/#respond</comments>
		
		
		<pubDate>Sat, 30 Mar 2013 12:31:44 +0000</pubDate>
				<category><![CDATA[Energy Matters]]></category>
		<category><![CDATA[podcast]]></category>
		<category><![CDATA[Standard Grade]]></category>
		<guid isPermaLink="false">http://mrmackenzie.co.uk/?p=3990</guid>

					<description><![CDATA[We finished the Energy Matters topic last week.  Here are some notes with worked examples to show how we calculate the heat energy required to change the state of matter.  Values of Lf and Lv are provided inside the front cover of a question paper. We&#8217;ll finish off the course by looking at Space Physics.]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
				<enclosure length="78276" type="application/pdf" url="http://mrmackenzie.co.uk/wp-content/uploads/2013/03/Specific_Heat_Lf_and_Lv.pdf"/>
		<itunes:author>Standard Grade – fizzics</itunes:author>
		<itunes:episodeType>full</itunes:episodeType>
<post-id xmlns="com-wordpress:feed-additions:1">3990</post-id>	<dc:creator>sinclairm@gmail.com (Sinclair Mackenzie)</dc:creator><itunes:explicit>no</itunes:explicit><itunes:subtitle>We finished the Energy Matters topic last week.  Here are some notes with worked examples to show how we calculate the heat energy required to change the state of matter.  Values of Lf and Lv are provided inside the front cover of a question paper. We&amp;#8217;ll finish off the course by looking at Space Physics.</itunes:subtitle><itunes:summary>We finished the Energy Matters topic last week.  Here are some notes with worked examples to show how we calculate the heat energy required to change the state of matter.  Values of Lf and Lv are provided inside the front cover of a question paper. We&amp;#8217;ll finish off the course by looking at Space Physics.</itunes:summary><itunes:keywords>physics,fizzics,thurso,standard,grade,mr,mackenzie</itunes:keywords></item>
		<item>
		<title>S4: work done, potential and kinetic energy</title>
		<link>https://mrmackenzie.co.uk/2013/02/s4-work-done-potential-and-kinetic-energy/</link>
					<comments>https://mrmackenzie.co.uk/2013/02/s4-work-done-potential-and-kinetic-energy/#respond</comments>
		
		
		<pubDate>Fri, 08 Feb 2013 19:31:29 +0000</pubDate>
				<category><![CDATA[electricity and energy]]></category>
		<category><![CDATA[National 5]]></category>
		<category><![CDATA[podcast]]></category>
		<category><![CDATA[Standard Grade]]></category>
		<category><![CDATA[Transport]]></category>
		<guid isPermaLink="false">http://mrmackenzie.co.uk/?p=3934</guid>

					<description><![CDATA[We finished the transport section with a look at Work, Potential &#38; Kinetic energy. &#160;Those of you aiming for Credit need to carry out calculations involving kinetic energy using Here is a video about work, potential energy &#38; kinetic energy from Bozeman Science httpv://www.youtube.com/watch?v=BSWl_Zj-CZs Most of the calculations will be based on the principle of ... <a title="S4: work done, potential and kinetic energy" class="read-more" href="https://mrmackenzie.co.uk/2013/02/s4-work-done-potential-and-kinetic-energy/" aria-label="Read more about S4: work done, potential and kinetic energy">Read more</a>]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
				<enclosure length="230893" type="application/pdf" url="http://mrmackenzie.co.uk/wp-content/uploads/2007/02/work-power-and-energy.pdf"/>
		<itunes:author>Standard Grade – fizzics</itunes:author>
		<itunes:episodeType>full</itunes:episodeType>
<post-id xmlns="com-wordpress:feed-additions:1">3934</post-id>	<dc:creator>sinclairm@gmail.com (Sinclair Mackenzie)</dc:creator><itunes:explicit>no</itunes:explicit><itunes:subtitle>We finished the transport section with a look at Work, Potential &amp;#38; Kinetic energy. &amp;#160;Those of you aiming for Credit need to carry out calculations involving kinetic energy using Here is a video about work, potential energy &amp;#38; kinetic energy from Bozeman Science httpv://www.youtube.com/watch?v=BSWl_Zj-CZs Most of the calculations will be based on the principle of ... Read more</itunes:subtitle><itunes:summary>We finished the transport section with a look at Work, Potential &amp;#38; Kinetic energy. &amp;#160;Those of you aiming for Credit need to carry out calculations involving kinetic energy using Here is a video about work, potential energy &amp;#38; kinetic energy from Bozeman Science httpv://www.youtube.com/watch?v=BSWl_Zj-CZs Most of the calculations will be based on the principle of ... Read more</itunes:summary><itunes:keywords>physics,fizzics,thurso,standard,grade,mr,mackenzie</itunes:keywords></item>
		<item>
		<title>balanced and unbalanced forces</title>
		<link>https://mrmackenzie.co.uk/2013/01/balanced-and-unbalanced-forces/</link>
					<comments>https://mrmackenzie.co.uk/2013/01/balanced-and-unbalanced-forces/#respond</comments>
		
		
		<pubDate>Fri, 25 Jan 2013 19:50:22 +0000</pubDate>
				<category><![CDATA[podcast]]></category>
		<category><![CDATA[Standard Grade]]></category>
		<category><![CDATA[Transport]]></category>
		<guid isPermaLink="false">http://mrmackenzie.co.uk/?p=3929</guid>

					<description><![CDATA[Here are some videos on balanced and unbalanced forces affecting the motion of objects.  The first clip examines the forces on a cyclist as she cycles round a velodrome. httpv://www.youtube.com/watch?v=WoTQDrzCqb0 The second clip looks at the way skydivers use forces to land safely. httpv://www.youtube.com/watch?v=io-6uYOQK6A I&#8217;ve also attached a pdf with some notes on forces, free ... <a title="balanced and unbalanced forces" class="read-more" href="https://mrmackenzie.co.uk/2013/01/balanced-and-unbalanced-forces/" aria-label="Read more about balanced and unbalanced forces">Read more</a>]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
				<enclosure length="177537" type="application/pdf" url="http://mrmackenzie.co.uk/wp-content/uploads/2013/01/Forces.pdf"/>
		<itunes:author>Standard Grade – fizzics</itunes:author>
		<itunes:episodeType>full</itunes:episodeType>
<post-id xmlns="com-wordpress:feed-additions:1">3929</post-id>	<dc:creator>sinclairm@gmail.com (Sinclair Mackenzie)</dc:creator><itunes:explicit>no</itunes:explicit><itunes:subtitle>Here are some videos on balanced and unbalanced forces affecting the motion of objects.  The first clip examines the forces on a cyclist as she cycles round a velodrome. httpv://www.youtube.com/watch?v=WoTQDrzCqb0 The second clip looks at the way skydivers use forces to land safely. httpv://www.youtube.com/watch?v=io-6uYOQK6A I&amp;#8217;ve also attached a pdf with some notes on forces, free ... Read more</itunes:subtitle><itunes:summary>Here are some videos on balanced and unbalanced forces affecting the motion of objects.  The first clip examines the forces on a cyclist as she cycles round a velodrome. httpv://www.youtube.com/watch?v=WoTQDrzCqb0 The second clip looks at the way skydivers use forces to land safely. httpv://www.youtube.com/watch?v=io-6uYOQK6A I&amp;#8217;ve also attached a pdf with some notes on forces, free ... Read more</itunes:summary><itunes:keywords>physics,fizzics,thurso,standard,grade,mr,mackenzie</itunes:keywords></item>
		<item>
		<title>S4 forces and seatbelts</title>
		<link>https://mrmackenzie.co.uk/2013/01/s4-forces-and-seatbelts/</link>
					<comments>https://mrmackenzie.co.uk/2013/01/s4-forces-and-seatbelts/#respond</comments>
		
		
		<pubDate>Tue, 22 Jan 2013 22:54:27 +0000</pubDate>
				<category><![CDATA[podcast]]></category>
		<category><![CDATA[Standard Grade]]></category>
		<category><![CDATA[Transport]]></category>
		<guid isPermaLink="false">http://mrmackenzie.co.uk/?p=3921</guid>

					<description><![CDATA[We&#8217;ve been learning about forces in class and today we looked at how car seatbelts use forces to keep us safe.  Mr Mallon&#8217;s HelpMyPhysics site has a short video that demonstrates how a monkey can stay safe during a trolley collision when it is given a seatbelt. Here is a seatbelt advert from Sussex, the ... <a title="S4 forces and seatbelts" class="read-more" href="https://mrmackenzie.co.uk/2013/01/s4-forces-and-seatbelts/" aria-label="Read more about S4 forces and seatbelts">Read more</a>]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
				<enclosure length="44880" type="application/pdf" url="http://www.rospa.com/roadsafety/info/seatbelt_history.pdf"/>
		<itunes:author>Standard Grade – fizzics</itunes:author>
		<itunes:episodeType>full</itunes:episodeType>
<post-id xmlns="com-wordpress:feed-additions:1">3921</post-id>	<dc:creator>sinclairm@gmail.com (Sinclair Mackenzie)</dc:creator><itunes:explicit>no</itunes:explicit><itunes:subtitle>We&amp;#8217;ve been learning about forces in class and today we looked at how car seatbelts use forces to keep us safe.  Mr Mallon&amp;#8217;s HelpMyPhysics site has a short video that demonstrates how a monkey can stay safe during a trolley collision when it is given a seatbelt. Here is a seatbelt advert from Sussex, the ... Read more</itunes:subtitle><itunes:summary>We&amp;#8217;ve been learning about forces in class and today we looked at how car seatbelts use forces to keep us safe.  Mr Mallon&amp;#8217;s HelpMyPhysics site has a short video that demonstrates how a monkey can stay safe during a trolley collision when it is given a seatbelt. Here is a seatbelt advert from Sussex, the ... Read more</itunes:summary><itunes:keywords>physics,fizzics,thurso,standard,grade,mr,mackenzie</itunes:keywords></item>
		<item>
		<title>3.3 resistance homework</title>
		<link>https://mrmackenzie.co.uk/2012/12/3-3-resistance-homework/</link>
					<comments>https://mrmackenzie.co.uk/2012/12/3-3-resistance-homework/#respond</comments>
		
		
		<pubDate>Sun, 09 Dec 2012 21:39:46 +0000</pubDate>
				<category><![CDATA[electricity and energy]]></category>
		<category><![CDATA[homework]]></category>
		<category><![CDATA[National 5]]></category>
		<category><![CDATA[podcast]]></category>
		<category><![CDATA[Standard Grade]]></category>
		<category><![CDATA[Using Electricity]]></category>
		<guid isPermaLink="false">http://mrmackenzie.co.uk/?p=3873</guid>

					<description><![CDATA[Your homework exercise on resistance is attached as a pdf document.  Download the file and answer the questions in your homework jotter.  Hand in your jotter no later than Monday 17/12/12.]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
				<enclosure length="161277" type="application/pdf" url="http://mrmackenzie.co.uk/wp-content/uploads/2012/12/S3_Resistor_Homework.pdf"/>
		<itunes:author>Standard Grade – fizzics</itunes:author>
		<itunes:episodeType>full</itunes:episodeType>
<post-id xmlns="com-wordpress:feed-additions:1">3873</post-id>	<dc:creator>sinclairm@gmail.com (Sinclair Mackenzie)</dc:creator><itunes:explicit>no</itunes:explicit><itunes:subtitle>Your homework exercise on resistance is attached as a pdf document.  Download the file and answer the questions in your homework jotter.  Hand in your jotter no later than Monday 17/12/12.</itunes:subtitle><itunes:summary>Your homework exercise on resistance is attached as a pdf document.  Download the file and answer the questions in your homework jotter.  Hand in your jotter no later than Monday 17/12/12.</itunes:summary><itunes:keywords>physics,fizzics,thurso,standard,grade,mr,mackenzie</itunes:keywords></item>
		<item>
		<title>Detecting radiation with a Geiger-Muller tube</title>
		<link>https://mrmackenzie.co.uk/2012/11/detecting-radiation-with-a-geiger-muller-tube/</link>
					<comments>https://mrmackenzie.co.uk/2012/11/detecting-radiation-with-a-geiger-muller-tube/#comments</comments>
		
		
		<pubDate>Wed, 14 Nov 2012 22:20:27 +0000</pubDate>
				<category><![CDATA[Health Physics]]></category>
		<category><![CDATA[Standard Grade]]></category>
		<guid isPermaLink="false">http://mrmackenzie.co.uk/?p=3850</guid>

					<description><![CDATA[We&#8217;ve examined the operation of a Geiger-Müller counter as part of the radiation topic. image by Theresa Knott The Geiger-Müller (GM) counter is used to detect ionising radiation such as alpha and beta particles or gamma rays.  The radiation enters through a very thin window at one end of the tube.  This window is usually made ... <a title="Detecting radiation with a Geiger-Muller tube" class="read-more" href="https://mrmackenzie.co.uk/2012/11/detecting-radiation-with-a-geiger-muller-tube/" aria-label="Read more about Detecting radiation with a Geiger-Muller tube">Read more</a>]]></description>
		
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			<slash:comments>5</slash:comments>
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">3850</post-id>	<dc:creator>sinclairm@gmail.com (Sinclair Mackenzie)</dc:creator></item>
		<item>
		<title>radiotherapy – part 2</title>
		<link>https://mrmackenzie.co.uk/2012/11/radiotherapy-part-2/</link>
					<comments>https://mrmackenzie.co.uk/2012/11/radiotherapy-part-2/#respond</comments>
		
		
		<pubDate>Wed, 14 Nov 2012 22:17:47 +0000</pubDate>
				<category><![CDATA[Health Physics]]></category>
		<category><![CDATA[Standard Grade]]></category>
		<guid isPermaLink="false">http://mrmackenzie.co.uk/?p=3847</guid>

					<description><![CDATA[Last week, the BBC broadcast a Horizon programme about new cancer treatments being trialled at the Royal Marsden Hospital in London.  The documentary followed three different types of treatment; robotic surgery, a genetically targeted drug and a radiotherapy robot. As we&#8217;ve discovered, standard radiotherapy treatment involves splitting the required dose into 3 beams, so only cells inside ... <a title="radiotherapy &#8211; part 2" class="read-more" href="https://mrmackenzie.co.uk/2012/11/radiotherapy-part-2/" aria-label="Read more about radiotherapy &#8211; part 2">Read more</a>]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
				<enclosure length="55401195" type="video/mp4" url="http://mrmackenzie.org/files/defeatingcancer.mp4"/>
		<itunes:author>Standard Grade – fizzics</itunes:author>
		<itunes:episodeType>full</itunes:episodeType>
<post-id xmlns="com-wordpress:feed-additions:1">3847</post-id>	<dc:creator>sinclairm@gmail.com (Sinclair Mackenzie)</dc:creator><itunes:explicit>no</itunes:explicit><itunes:subtitle>Last week, the BBC broadcast a Horizon programme about new cancer treatments being trialled at the Royal Marsden Hospital in London.  The documentary followed three different types of treatment; robotic surgery, a genetically targeted drug and a radiotherapy robot. As we&amp;#8217;ve discovered, standard radiotherapy treatment involves splitting the required dose into 3 beams, so only cells inside ... Read more</itunes:subtitle><itunes:summary>Last week, the BBC broadcast a Horizon programme about new cancer treatments being trialled at the Royal Marsden Hospital in London.  The documentary followed three different types of treatment; robotic surgery, a genetically targeted drug and a radiotherapy robot. As we&amp;#8217;ve discovered, standard radiotherapy treatment involves splitting the required dose into 3 beams, so only cells inside ... Read more</itunes:summary><itunes:keywords>physics,fizzics,thurso,standard,grade,mr,mackenzie</itunes:keywords></item>
		<item>
		<title>radiotherapy – part 1</title>
		<link>https://mrmackenzie.co.uk/2012/11/radiotherapy-part-1/</link>
					<comments>https://mrmackenzie.co.uk/2012/11/radiotherapy-part-1/#respond</comments>
		
		
		<pubDate>Wed, 14 Nov 2012 22:16:11 +0000</pubDate>
				<category><![CDATA[Health Physics]]></category>
		<category><![CDATA[Standard Grade]]></category>
		<guid isPermaLink="false">http://mrmackenzie.co.uk/?p=3844</guid>

					<description><![CDATA[Radiotherapy is one method doctors can use to treat cancer.  Radiotherapy can be performed without surgery and avoids the side effects that a patient may experience during chemotherapy. In the most common form of radiotherapy, high energy x-rays are used to kill the cells in the tumour.  The treatment must be planned carefully to make sure that ... <a title="radiotherapy &#8211; part 1" class="read-more" href="https://mrmackenzie.co.uk/2012/11/radiotherapy-part-1/" aria-label="Read more about radiotherapy &#8211; part 1">Read more</a>]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">3844</post-id>	<dc:creator>sinclairm@gmail.com (Sinclair Mackenzie)</dc:creator></item>
		<item>
		<title>x-rays</title>
		<link>https://mrmackenzie.co.uk/2012/11/x-rays-2/</link>
					<comments>https://mrmackenzie.co.uk/2012/11/x-rays-2/#respond</comments>
		
		
		<pubDate>Tue, 06 Nov 2012 10:41:24 +0000</pubDate>
				<category><![CDATA[Health Physics]]></category>
		<category><![CDATA[Standard Grade]]></category>
		<guid isPermaLink="false">http://mrmackenzie.co.uk/?p=3832</guid>

					<description><![CDATA[X-rays are a form of electromagnetic radiation.  They have a much higher frequency than visible light or ultraviolet.  The diagram below, taken from Wikipedia, shows where x-rays fit into the electromagnetic spectrum. image by Materialscientist Wilhelm Röntgen discovered x-rays and the image below is the first x-ray image ever taken.  It shows Mrs. Röntgen&#8217;s hand ... <a title="x-rays" class="read-more" href="https://mrmackenzie.co.uk/2012/11/x-rays-2/" aria-label="Read more about x-rays">Read more</a>]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">3832</post-id>	<dc:creator>sinclairm@gmail.com (Sinclair Mackenzie)</dc:creator></item>
		<item>
		<title>ultraviolet</title>
		<link>https://mrmackenzie.co.uk/2012/11/ultraviolet/</link>
					<comments>https://mrmackenzie.co.uk/2012/11/ultraviolet/#respond</comments>
		
		
		<pubDate>Tue, 06 Nov 2012 10:37:50 +0000</pubDate>
				<category><![CDATA[Health Physics]]></category>
		<category><![CDATA[Standard Grade]]></category>
		<category><![CDATA[uv]]></category>
		<guid isPermaLink="false">http://mrmackenzie.co.uk/?p=3828</guid>

					<description><![CDATA[We spent some time looking at the physics of ultraviolet radiation last week. image courtesy of sonrisaelectrica The section of the electromagnetic spectrum with wavelengths ranging from 10nm to 400nm is called ultraviolet radiation (uv for short).  Sunlight contains uv rays and it&#8217;s those uv rays that are responsible for the suntan you get during the ... <a title="ultraviolet" class="read-more" href="https://mrmackenzie.co.uk/2012/11/ultraviolet/" aria-label="Read more about ultraviolet">Read more</a>]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">3828</post-id>	<dc:creator>sinclairm@gmail.com (Sinclair Mackenzie)</dc:creator></item>
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