Forces and Motion explores gravity, friction, centrifugal force, and the underlying laws of physics that help machines work. Simple machines such as levers and pulleys, floating and sinking, springs, elastic, and flying machines are all investigated in fun, hands-on experiments that make it easy for anyone to become a rocket scientist!

About the Authors

Sarah Angliss has worked at the Science Museum in London, England organizing exhibitions and demonstrations for children ages 6-14. She has also writen several children's books on applied and contemporary science.

Maggie Hewson has taught science to elementary and middle school children for 23 years. Her present school is the recipient of the UK's Science School of the Year award.

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