Your Respiratory System Judith Jango-Cohen
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كتب الأطفال
Behind the flips, splashes, and speed of Olympic water sports, science is at work. Gravity and centrifugal force are at work as a diver spins and flips before splashing into the water. Olympic swimmers shave their bodies to reduce drag as they zip through the water. Find out how science is involved in all your favorite water events and how athletes take science into account in their quest for the gold medal.
© 2020 Capstone Press (دفتر الصوت ): 9781543518009
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