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Wheels, pulleys & levers
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Looks at basic devices such as wheels, pulleys, levers, screws, and slopes, and suggests simple experiments and projects to demonstrate how they work.
- ● 84% match for you
- ● children's books
the long version
Looks at basic devices such as wheels, pulleys, levers, screws, and slopes, and suggests simple experiments and projects to demonstrate how they work.
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"Looks at basic devices such as wheels, pulleys, levers, screws, and slopes, and suggests simple experiments and projects to demonstrate how they work."
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