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Series : Amazing Science: Simple Machines

Scoop, Seesaw, and Raise: A Book About Levers

K-4 ┊ 614 words ┊ ◄)) K-4, 614 words, 5 minutes audio time. Provides examples to describe levers as simple machines used to lift, push, or move a load. Includes an activity. READ
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re***n318年8月13日
Pull, Lift, and Lower: A Book About Pulleys

K-4 ┊ 498 words ┊ ◄)) K-4, 498 words, 4 minutes audio time. Describes many different kinds, uses, and benefits of pulleys. Provides examples of pulleys by showing a flagpole, a crane, an elevator and …
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re***n318年8月13日
Roll, Slope, and Slide: A Book About Ramps

K-4 ┊ 409 words ┊ ◄)) K-4, 409 words, 4 minutes audio time. Describes the different kinds, uses, and benefits of inclined planes and ramps. Includes an activity. READ
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re***n318年8月13日
Twist, Dig, and Drill: A Book About Screws

K-4 ┊ 498 words ┊ ◄)) K-4, 498 words, 4 minutes audio time. Provides examples showing how screws are simple machines that make joining things together and moving, easier. READ
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re***n318年8月13日
Cut, Chop, and Stop: A Book About Wedges

K-4 ┊ 419 words ┊ ◄)) K-4, 419 words, 4 minutes audio time. Provides examples to show how wedges are simple machines that make pulling apart, stopping, and moving easier. Includes an activity. READ
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re***n318年8月13日
Tires, Spokes, and Sprockets: A Book About Wheels and Axles

K-4 ┊ 487 words ┊ ◄)) K-4, 487 words, 5 minutes audio time. Describes many different kinds, uses, and benefits of wheels and axles. Includes information on gears, sprockets, and cranks. READ
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re***n318年8月13日