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Science (X) - Professional (X) - Elementary (X) - Middle (X) - Geometry (X) - Streaming (X)

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.

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.