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Gateway simple machines
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gatewaysimplemachines
Seesaws, nutcrackers, brooms
simple machines that are really levers
Lampton, Christopher
Text and illustrations provide young readers with information about seesaws, nutcrackers, and brooms--three simple machines that are really just different types of levers.
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about Seesaws, nutcrackers, brooms
Seesaws nutcrackers, brooms
simple machines that are really levers
Lampton, Christopher
1991
Text and illustrations describe the simple machine known as a lever.
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about Seesaws nutcrackers, brooms
Marbles, roller skates, doorknobs
simple machines that are really wheels
Lampton, Christopher
1991
Text and illustrations describe the many machines derived from the wheel.
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about Marbles, roller skates, doorknobs
Sailboats, flagpoles, cranes
using pulleys as simple machines
Lampton, Christopher
1991
Examines simple machines that are actually pulleys, including flagpoles, cranes, and the pulleys on a sailboat.
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about Sailboats, flagpoles, cranes