What youngster isn't fascinated by motion? They'll love learning about the basic forces that speed us up, slow us down, and cause things to rise and fall.

About the Author

Dr. Heidi Gold-Dworkin, a member of a Nobel prize-winning team, received her bachelor's degree from Cornell University and her graduate degrees from Yale University. She is the author of numerous scientific and educational articles. A mom of 3 young children, Dr. Heidi is solidly dedicated to the development of innovative, exceptional, hands-on science curriculum for young children.

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