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Sloping Up and Down: The Inclined Plane
Sloping Up and Down: The Inclined Plane
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ISBN 9780778704256
Sloping Up and Down explores the benefits and uses of the ramp. RobbO and RobbEE learn that a ramp is called an inclined plane. They discover that ramps are used for building stairs and escalators, and were even used as far back as ancient Egypt to build the pyramids.
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Pub dateFeb 28, 2014
ISBN-100778704254
ISBN-139780778704256
LanguageEnglish
Last updated 2026-04-24 01:25
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