Levers Lessen the Load: Simple Machines for Kids Diehn Andi
Learn how simple machines make work easier in these colorful nonfiction picture books all about science and engineering!Have you ever played on a seesaw? You were using a lever!A lever is one of six…
Specifikacia Levers Lessen the Load: Simple Machines for Kids Diehn Andi
Learn how simple machines make work easier in these colorful nonfiction picture books all about science and engineering!Have you ever played on a seesaw? You were using a lever!A lever is one of six simple machines that are designed to make different kinds of work easier. Lifting, pulling, pushing--all these tasks are more efficient when you use a simple machine. In Levers Lessen the Load: Simple Machines for Kids, readers ages 5 to 8 learn how levers and fulcrums can help us move far more weight than we can on our own. Need to lift a heavy rock? Use a lever! Need to push a log out of the way? Use a lever! Know where else you can find levers? In your own body--when you lift an object and carry it in your hand, you are using your arm as a lever.Concepts including forces, mechanical advantage, and different classes of levers come clear
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