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Pitch: Super Sounding Drums

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The construction of a drum -- the materials it is made of, its size and shape, and the tension of its top, or drumhead -- all affect how the drum sounds. In this video segment, two members of the ZOOM cast create drums of different sizes, shapes, materials, and tensions, and compare the results.

This video is available in both English and Spanish audio, along with corresponding closed captions.

Balloon Brain: Designing a Helmet

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As humans, we thankfully have more going for us than the balloon brains depicted in this video segment adapted from ZOOM. Still, the failed efforts of some of the ZOOM cast members to design adequate protection for their balloon brains illustrates the importance of wearing a proper helmet and protecting your own brain whenever you skate, rollerblade, ski, or ride a bike.

Rivers | Science Trek

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This video segment from IdahoPTV's Science Trek takes you down Idaho's Snake River as it explains river formation, use, and terminology. What is an inner and outer bank, an oxbow, a meander and what makes rapids, are some of the questions that will be answered.

Triangles: Designing a Newspaper Chair

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Once it's been read, there's often little more to do with the daily newspaper than to add it to that towering stack of recyclables we collect each week. In this video segment, however, the ZOOM cast demonstrates how innovative design can turn this otherwise flimsy material into a relatively solid piece of furniture.

Turtle Defense

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In this video from the WPSU’s series Outside, a staff member from Shaver’s Creek Environmental Center at Penn State University explains how some species of turtle protect themselves in their environment. Turtles, like many other species, are facing obstacles that threaten their survival. Some of these obstacles have threatened turtle survival for centuries, while others have emerged more recently and are caused by human activities.

This video is available in both English and Spanish audio, along with corresponding closed captions.

Animal Families | Everyday Learning

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Families are our introduction to society. By living and growing within a small connected group, we are prepared for encounters with larger groups within society. Animal families provide a great example of similarities and differences within various family groups. This video is available in both English and Spanish audio, along with corresponding closed captions.

Wolf Research | Science Trek

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This video segment from IdahoPTV's Science Trek shows the process a research biologist goes through to trap, measure and put a radio collar on wolves.

A - Z Overview

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Watch and learn how to explore career options from A to Z with the Lab Squad kids as they meet and interview career professionals.

Measuring for an Exact Fit

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In this Cyberchase video segment, Matt and Jackie must figure out how to construct rectangular lids that match the size of two boxes precisely. They enlist the carpentry skills of one of the Three Little Pigs, who shows them how to use different tools to accurately measure the rectangular lids. For the first box, Jackie finds that she can easily trace the box to make a lid that fits perfectly. The second box cannot be traced, so Matt and Jackie decide to measure the sides of the box and then use the measurements to cut a rectangle of equal size out of a piece of Herculanium.

Cyberchase | Patterns in Nature

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In this video segment from Cyberchase, Bianca wants to learn why her plants keep dying, so she transports them in a carriage to the New York Botanical Garden. A helpful plant expert shows her some patterns in plants, including bilateral and rotational symmetry, before discovering the pattern that may be killing Bianca's plants.

Lifting with Levers

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In this video segment from Cyberchase, Jackie, Matt, and Inez try to move a stack of slabs blocking a doorway. They decide to use a long board as a lever, but they soon realize they need a longer board in order to move the heavy slabs. The problem is that they are not sure exactly how long the lever should be. Since they do not have the time to try out levers of varying lengths, Inez decides to construct a scale model. While testing their model levers, they learn about the relationship between the length of a lever and its lifting capability.

Is It Square?

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See three techniques for determining whether a rectangle truly has square corners. Learn more about construction technologies in this animation from Design Squad Nation.

Predicting the Angle of a Bouncing Ball

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In this Cyberchase video segment, the CyberSquad is trapped in a cave. Inez and Digit have the key to escape, but there is an enormous block of ice in their way. In order to get the key to Jackie and Matt, who are on the other side of the cave, the CyberSquad decides to slide the key along the ice until it bounces off the cave wall and travels to the other side. Since they do not want to risk losing the key, they decide to use a small model. While testing the various aiming points, the CyberSquad learns about angles of reflection.

ZOOM | Pitch: Making Guitars

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Vibrations are the basis for all sound. Controlling the frequency of sound-producing vibrations is the key to creating and playing musical instruments. In this video segment adapted from ZOOM, two cast members demonstrate how to make guitars out of boxes and rubber bands, as well as how the sounds these instruments make can be manipulated.

Mixing Colors | Everyday Learning

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What color do you get when you mix blue and yellow? Children learn about mixing two colors to create a new color in this original animated video from KET.

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