"Have you ever wondered how seesaws go up and down or how screws stay secure in walls? In the How Do series, readers are welcome to guess along with the rest of us--and then explore the science behind the right answers. Beginning concepts of mechanical engineering including levers, wedges, inclined planes, and more are learned through diagrams, photos, and informative and engaging text"--Publisher's description.
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"Have you ever wondered how seesaws go up and down or how screws stay secure in walls? In the How Do series, readers are welcome to guess along with the rest of us--and then explore the science behind the right answers. Beginning concepts of mechanical engineering including levers, wedges, inclined planes, and more are learned through diagrams, photos, and informative and engaging text"--Publisher's description.
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Add this copy of How Do Seesaws Go Up and Down? : a Book About Simple to cart. $32.97, new condition, Sold by BetterBookDeals rated 3.0 out of 5 stars, ships from Toronto, ON, CANADA, published 2019 by Flowerpot Press.
Add this copy of How Do Seesaws Go Up and Down? : a Book About Simple to cart. $45.20, new condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2019 by Flowerpot Press.
Add this copy of How Do Seesaws Go Up and Down? : a Book About Simple to cart. $49.57, new condition, Sold by Just one more Chapter rated 3.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 2019 by Flowerpot Press.
Add this copy of How Do Seesaws Go Up and Down? : a Book About Simple to cart. $49.85, new condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2018 by Flowerpot Press.
