Hosted by The Second Grade 100 200 400 300 400 Simple Machines PulleysLeversScrews 300 200 400 200...

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The Second Grade

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Simple Machines Pulleys Levers Screws

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This simple machine has a rope around a wheel and axle and

is used to raise and lower things.

What is a pulley?

This object needs a pulley toraise it so the wind can

catch it to make a boat move.

What is a sail?

This object is a lever thatneeds the same weight on

each end to make it fun to use.

What is a see saw?

This object uses a screw to make holes in wood or metal.

What is a drill?

This is a slanted, flat surfacethat is used to move things to

a higher place instead of lifting them.

What is an inclined plane?

This object uses a pulley to raise it outside our school to

show our national pride.

What is a flag?

This object uses a lever to remove things from wood .

What is a hammer?

This object has a screw thatis used to keep its top in

place.

What is a jar lid?

This simple machine is madefrom an inclined plane that is wrapped around a pole.

It is used to keep thingstogether.

What is a screw?

This object uses a pulley to lift very heavy objects to

very high places. You maysee these around construction

sites.

What is a crane?

This object uses two levers that work together to open food

that has a shell .

What is a nut cracker?

This object has a screw at oneend where it connects to a

faucet. It allows waterto pass from the faucet

through the object.

What is a hose?

This simple machine is madefrom two inclined planes. Itis used to split or separate

Things.

What is a wedge?

This object needs a pulley to help lift a bucket full of water

from deep in the ground.

What is a water well?

This lever helps to move aboat through the water.

What is an oar?

This object uses a screw to hold objects in place when

sawing, bending or hammering

What is a vise?

This simple machine is madeof two parts that work together

to roll objects.

What is a wheel and axle?

This object uses a pulley tomove a line making it

possible to hang objects todry from a window.

What is a clothes line?

This object uses a lever compare the weight of

objects.

What is a balance scale?

This air screw is used to helpsome kinds of airplanes fly.

What is a propeller?

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