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Type: BOOK - Published: 2017-08-01 - Publisher: Hungry Tomato ®
Make a camera from cardboard, create stereographic images, and start a campfire with ice! These amazing science projects use readily available items and have si
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Language: en
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Type: BOOK - Published: 2020-12-15 - Publisher: Enslow Publishing, LLC
Light and sound both travel in waves, but sound waves travel significantly slower than light. Theories like this are difficult to grasp in words, but there are
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Type: BOOK - Published: 2015-01-06 - Publisher: Weldon Owen
Ever look at the sky and wonder what makes it so blue? Or watch shadows shrink and grow as the day goes on? Find out the answers to these questions (plus 38 mor