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Machines (Glossary) 4th grade
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Could you define the word LIFT?
Lift is to make something move up.
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Could you define the word SCREW?
Screw is an inclined plane wrapped around a pole.
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Could you define the word ROPE?
Rope is a strong, thick string made of fibres twisted together.
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Could you define the word EFFORT?
Effort is the force applied to a lever to make it work.
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Could you define the word AXLE?
Axle is a rigid bar that goes through a wheel to help it stay in place.
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Could you define the word LOWER?
Lower is to make something move down.
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