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Levers
Louise A Spilsbury
Library Binding (PowerKids Press, Aug. 15, 2018)A teeter-totter is more than fun to play on, it's also a lever, one of the six simple machines. This accessible book introduces readers to the lever through real-world examples. They'll learn about simple and more complex inventions using the lever that have changed the world. Detailed pictures with thorough annotations explain important engineering concepts. Cool Technology in Action spreads let readers get a close-up look at levers at work. This accessible text introduces readers to important STEM concepts and encourages an interest in engineering.
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Levers
Sian Smith
Library Binding (Heinemann, Aug. 1, 2012)Each book in this series focuses on a type of simple mechanism and examines how it is used to make different toys work. This book examines levers and uses simple language and labeled photographs to explain the scientific principles behind their use.
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Levers
Chris Oxlade
Paperback (Heinemann, Aug. 18, 2003)What are levers? How do levers work? Do bicycles have levers? For the answers to these and many other questions, read ‘Levers’. See how scissors are actually two levers put together. Learn about the lever that is used to control a sailboat. Find out how your arm works like a lever.
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Levers
Angela Royston
Paperback (Heinemann, July 3, 2003)How does paddling move a boat forward? Why does a wheelbarrow have only one wheel? What does a counterweight do? Levers are simple machines that can be used to make other machines work. When you used a shovel, play on a seesaw, or use a bottle opener you are using lever. Levers explains what levers are and how they help you do everyday things.
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Levers
David Glover
Library Binding (Heinemann, May 8, 2006)How are wheelbarrows, can openers, and bicycle brakes alike? Why is it easier to hold a bolt tight with a pair of pliers than with your bare hands? Why is it easier to eat a carrot with back teeth than with your front? Why is a seesaw considered a machine? This book shows you how different kinds of these simple machines are all around you to make your work and play easier.
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