Blog posts

Launch an Alka-Seltzer Rocket

Launch an Alka-Seltzer Rocket

Launch an Alka-Seltzer rocket (outside!) to learn about chemical reactions and propulsion.

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Fly a Helicopter Robot

Fly a Helicopter Robot

Build a rubber-band powered helicopter to learn about the forces of gravity and lift!

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Build a Bristle Bot

Build a Bristle Bot

Learn how to build a Bristle Bot using a battery, vibration motor, and toothbrush!

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Code with Scratch

Code with Scratch

Learn about Scratch (a free coding program), and watch Sparky interact with a cat!

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Discussion Questions About the Book

Discussion Questions About the Book

Find a list of questions that can be discussed after reading If: Ball, Then: Catch.

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