Let's Explore Gravity - page 8

Photo Credits
The images in this book are used with the permission of: © dnaveh/Shutterstock.com, p. 5; © 4x6/iStock.com,
pp. 6, 23 (top left); © Samuel Borges Photography/Shutterstock.com, p. 9; © Aphelleon/Shutterstock.com,
pp. 10–11; © Vadim Sadovski/Shutterstock.com, p. 13; © Spondylolithesis/iStock.com, p. 14; © FatCamera/
iStock.com, pp. 16–17; © VaLiza/iStock.com, p. 18; © Yobro10/iStock.com, p. 21; © donatas1205/Shutterstock.
com, p. 22 (top left); © iofoto/Shutterstock.com, p. 22 (top right); © Alexey Y. Petrov/Shutterstock.com, p. 22
(bottom left); © Leigh Prather/Shutterstock.com, p. 22 (bottom right); © Anatomy Insider/Shutterstock.com, p. 23
(top right); © kutaytanir/iStock.com, p. 23 (bottom left); © Wavebreakmedia/iStock.com, p. 23 (bottom right).
Front Cover: © Samuel Borges Photography/Shutterstock.com.
Read More
Chin, Jason. Gravity. New York: Roaring Brook Press, 2014.
Manolis, Kay. Gravity. Minneapolis: Bellwether Media, 2009.
Mayer, Lynne. Newton and Me. Mt. Pleasant, SC: Arbordale Publishing, 2013.
Index
Earth,7, 11–12
force, 4
pulls, 4, 7–8, 19
push, 16
stronger, 11
weaker, 11
24