Synopsis
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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Sloping Up and Down: The Inclined Plane
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
Seller rating 5 out of 5 stars
Library Binding. Condition: Fair. No Jacket. Former library book; Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G077870419XI5N10
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Sloping Up and Down: The Inclined Plane
Seller: ThriftBooks-Atlanta, AUSTELL, GA, U.S.A.
Seller rating 5 out of 5 stars
Library Binding. Condition: Good. No Jacket. Former library book; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G077870419XI3N10
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Sloping Up and Down: The Ramp (The Robotx Get Help from Simple Machines)
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.
Seller rating 5 out of 5 stars
Condition: Good. Good condition ex-library book with usual library markings and stickers. Seller Inventory # 00087982722