Level 11: Discussion

Level 10: Discussion

Let's talk about machines

Open Ended

Why do people use tools and machines?

Open Ended

WritWhat are 2 examples of simple machine?

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What are 2 examples of complex machines?

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What is a common example of an inclined plane, and how does it help us make work?

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What is a common example of a wedge and how does it help us make work?

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Which takes more force to move: a weight placed very close to or far from a lever's fulcrum?

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What is friction and why are wheels good at reducing friction?

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Why could it be said that a screw and a wedge do opposite kind of work?

Open Ended

How would you rank the seven simple machines in importance, and why?

Open Ended

if you could invent a complex machine, what would it do ? what simple machines would it use?