Experiment of the Week

Selective Smelling

26 Mar 2008 9:00:00 -0500

You've seen optical illusions, but have you ever tried a "nose illusion"?

Noisy String

20 Mar 2008 9:00:00 -0500

This fun activity will let you learn about sound while making all sorts of strange sounds.

Hanging a Hammer

12 Mar 2008 9:00:00 -0500

Can you balance a hammer, a ruler and some string on the edge of a table? Of course you can!

Planets and Pennies

5 Mar 2008 9:00:00 -0500

Try this simple experiment to see how the pull of gravity varies on the planets in our Solar System.

Measuring in Feet

28 Feb 2008 9:00:00 -0500

Did you know that your foot is the same size as your head?

Bottle Tones, part 2

21 Feb 2008 9:05:00 -0500

The answer to the previous video. Did you get it right?

Bottle Tones

13 Feb 2008 9:00:00 -0500

Find out why changing the water level in a bottle changes the sounds that it can make.

About Microwaves

6 Feb 2008 9:00:00 -0500

Why wet food cooks better than dry food in a microwave oven.

Flame Color

30 Jan 2008 9:00:00 -0500

Have you ever wondered why some flames are yellow, while others are blue?

Candles in a Jar, Part 2

23 Jan 2008 11:00:00 -0500

Finally, the solution to video #43!

Candles in a Jar

16 Jan 2008 10:13:33 -0500

If you place a tall candle and a short candle under a glass jar, which will run out of oxygen first?

Ice and Soda

9 Jan 2008 10:13:00 -0500

How can you pour a glass of soda without getting a glass that is half soda and half foam?

Foot Circles

2 Jan 2008 10:13:33 -0500

Try this strange trick to see how your brain communicates with your body.

Reaction Time

26 Dec 2007 10:00:00 -0500

Test your reaction time.

Wrong Way Balloon

19 Dec 2007 10:00:00 -0500

Why does a helium balloon act strange in a car?

Doppler Effect

12 Dec 2007 10:00:00 -0500

Why does the sound of a car change as it passes you?

Emergency Glasses

5 Dec 2007 10:00:00 -0500

Learn how to make quick, easy, emergency eyeglasses.

Hear the Ocean?

28 Nov 2007 10:00:00 -0500

Can you really hear the ocean in a seashell?

The Science of Pizza

21 Nov 2007 10:00:00 -0500

You can even learn about science when you're eating pizza.

Grass Whistle

14 Nov 2007 10:00:00 -0500

Learn how to make all sorts of unusual sounds with a blade of grass.

The Right Answer

7 Nov 2007 10:00:00 -0500

How many ways can you think of to keep water in a glass when it is turned upside down.

Half a Water Balloon

31 Oct 2007 10:00:00 -0500

Have fun and make a mess while learning about science with half a water balloon.

The Singing Glass

24 Oct 2007 10:00:00 -0500

Play music with a glass of water.

When Sugar Isn't Sweet

17 Oct 2007 10:00:00 -0500

How can you put sugar on your tongue and not taste anything sweet?

Why We Sweat

10 Oct 2007 10:00:00 -0500

Why does heat and hard work make you prespire?

Obedient Coin

3 Oct 2007 10:00:00 -0500

Try this fun challenge next time you are waiting in a restaurant.

Got the Red Green Blues

26 Sep 2007 10:00:00 -0500

Use a drop of water to see the true colors on your television.

Preview of Electricity DVD

19 Sep 2007 10:00:00 -0500

Well, the team is swamped, finishing our new Electricity DVD, so I thought I would give you a sneak preview of what we are working on.

Paleo Cookies

12 Sep 2007 10:00:00 -0500

Learn about being a paleontologist and eat cookies at the same time.

Pick a String

5 Sep 2007 10:00:00 -0500

Use inertia to challenge your friends and win every time.

How They Get the Sparks in a Sparkler

29 Aug 2007 10:00:00 -0500

Find out how burning metal produces the sparks in fireworks.

Is That a Diamond?

22 Aug 2007 10:00:00 -0500

Is it true that you can identify a diamond by cutting glass?

Smoke Rings

15 Aug 2007 10:00:00 -0500

Produce beautiful smoke rings from a soda bottle.

Orange Flash

8 Aug 2007 10:00:00 -0500

Can you make flames shoot out of an orange? Of course you can!

Strengthening the Dollar

1 Aug 2007 10:00:00 -0500

This week we will are going to build a bridge.

Coins Through a Hole

25 Jul 2007 10:00:00 -0500

Use the science of topology in a challenge that will frustrate your friends.

Make Water Wiggle

18 Jul 2007 10:00:00 -0500

Use a balloon to attract a stream of waterr.

Making Turmeric Paper

11 Jul 2007 10:00:00 -0500

Use a common spice to make a pH indicator.

Fingerprints

4 Jul 2007 10:00:00 -0500

Make your own fingerprint dust, and collect your fingerprints from a glass.

Tricky Bottle

27 Jun 2007 10:00:00 -0500

Use air pressure to control the flow of water.

Color Changing Flowers

20 Jun 2007 10:00:00 -0500

Use the science of chemistry to change the color of flowers.

Seed Search

13 Jun 2007 10:00:00 -0500

Explore some of the ways that plants spread their seeds.

Going Through a Card

6 Jun 2007 10:00:00 -0500

Start with a standard 3X5 index card, and cut a hole in it that is large enough to fit your body through.

Why Wet Things Turn Dark

30 May 2007 10:00:00 -0500

Why does adding clear water to white paper make it look darker?

Finding Your Way

23 May 2007 10:00:00 -0500

If you were lost in the woods, would you be able to determine which way was north?

Cartesian Diver

16 May 2007 10:00:00 -0500

This classic experiment is a fun way to explore why things float or sink.

Relighting Candles

9 May 2007 10:00:00 -0500

Try this dramatic experiment to add some science fun to your next birthday party.

Mobius Strip

2 May 2007 10:00:00 -0500

Use the science of Topology to make an object with only one side and only one edge.

Crushed Can

25 Apr 2007 10:00:00 -0500

Use steam and air pressure to crush a can in a fraction of a second.

Orange Slices

18 Apr 2007 10:00:00 -0500

Use science to tell the number of sections in an orange before you slice it.

Heating a Balloon

11 Apr 2007 10:00:00 -0500

Can you hold a balloon in a candle flame without popping it? You can if you know the science!

High Bounce

4 Apr 2007 10:00:00 -0500

Transfer energy to get a tennis ball to bounce higher than a house. Be sure to do this high energy experiment outside!

The Old Tablecloth Trick

28 Mar 2007 10:00:00 -0500

Learn about the science of inertia with a classic experiment that will amaze your friends.