Watch as the MythBusters team put the famous myth that you can't fold paper any more than seven times to the test. [3:53]

Do you know how scientist find the origin of oil spills? This video discusses oil fingerprinting which is used to find the origin of oil spills. [5:00]

Videos on different forms of alternative energy and various green initiatives, e.g., green roofs.

Imagine what students can accomplish in high school and beyond when they have been learning in a collaborative, real world, standards based environment throughout their elementary and middle school years! See what project-based learning...

Did you ever want to see inside your student's minds while you are teaching a concept? Through this video, you can see the common assumptions student's hold about energy and how you can build on these ideas to explain the Law of...

Using baseball as an example, watch how you can apply the Fundamental Counting Principle to count the number of different ways a coach can fill his infield. This video will show you how to make a drawing to better understand the problem....

This video shows how to add and subtract fractions with like and unlike denominators. Practice problems are available. [9:49]

Explains how to measure an angle in degrees using a protractor. Defines acute, right, and obtuse angles. Practice problems available. [8:22]

In this Cyberchase video segment, the CyberSquad must measure the length of the rope that will lower Digit from the ceiling to remove the voice box from a statue of Hacker.

In this video segment adapted from ZOOM, cast members make a bridge from a single piece of paper. Will it be strong enough to hold a hundred pennies? [3:41]

In this video segment from ZOOM, Jillian explains how her simple machine uses marbles, levers, flowing sand, and a spinning wheel to water a plant. [1:16]

This video, adapted from material provided by the ECHO partners, portrays one telling of the story, "How Raven Gave Light to the World", a creation myth often told by the Tlingit.

Learn how to search the web effectively and efficiently in this lesson plan from Common Sense Education. How can students search the web so that the results are reliable, safe, and factual? Use the step-by-step tutorial in this resource...

Narrated animation that visually explains how wiring a set of batteries in series increases voltage. (30 secs) Uses Quicktime.

Narrated animation that visually explains how the air displaced by a blimp causes a buoyant force that gives the blimp lift. (30 secs)

PBS Kids: Animations: How Does a Lever Work?

Narrated animation showing how the heart and the circulatory system transport blood throughout the body. (Length: 1 min. 8 sec.)

Check out this cool science experiment video to see proof that carbon dioxide is heavier than air. [1:12]

Watch this video and see the difference water can make as it absorbs the heat from the flame before the balloon can pop. [3:48]

See how a simple tea bag turns into a rocket with the help of heat convection. [1:24]

This funny toilet paper experiment shows what happens if you place one end of the toilet paper roll in the toilet of a plane and then roll the rest down the aisle, and then flush. [1:11]

Watch Canadian astronaut Chris Hadfield soak a wash cloth with water, and then wring it out in space. [3:18]

This video lesson [2:48] goes over the steps for creating a key to go with a pie chart. It is 6 of 7 in the series titled "Creating a Key for a Pie Chart."

Following this lesson, you'll be able to use squares to find the total surface area of a figure. It is 6 of 7 in the series titled "Finding Surface Area with Squares."