| General | Lever | Inclined Plane | Pulley/Wedge | Wheel and Axle/Screw |
|---|---|---|---|---|
100What is work?
This is a force that changes the motion of an object.
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100What is load?
The object being lifted is the __________.
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100What is ramp?
Another name for an inclined plane is a ____________.
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100What is flagpole?
Here at school, you could see a pulley on a ______________.
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100What is axle?
The wheel and axle is made up of two parts: the wheel that turns on a post, which is called the __________.
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200What is direction?
You use a force to change the ________________ of an object.
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200What is force?
The push or pull that turns a lever is the ____________.
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200What is effort?
If you use an inclined plane, the distance is longer, but it takes less _______________.
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200What is wheel?
The pulley uses a ____________ and rope to lift a load.
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200What is spiral?
You create a screw when you wrap on inclined plane into a _______________ around a pole.
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300What is a machine?
This is a tool that makes work easier to do.
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300What is fulcrum?
A lever is a board or bar that moves on a _______________.
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300What is higher?
An inclined plane is a simple machine that is a flat surface that is ___________ at one end.
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300What is a wedge?
Two inclined planes placed back to back make this simple machine.
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300What is less?
Using a screw takes ______________ force than pounding a nail.
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400What is less?
Using a machine allows us to use ____________ force to move something.
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400What is fulcrum?
The point where the lever turns is the _____________.
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400What is flat surface?
The inclined plane is a simple machine that is a ___________________ that is higher at one end.
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400What is split?
In a wedge, force is used to raise an object or _____________ the objects apart.
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400What is smaller?
In a wheel and axle, the wheel makes a large circular movement, and the axle makes a ____________ movement.
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500What is few or no?
A simple machine is a machine with _________________ moving parts.
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500What is force?
A lever can let you change direction of a force or it can change the amount of ______________ needed.
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500What are pyramids?
Scientists think inclined planes may have been used to build the _______________ because the blocks were too heavy to move straight up.
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500What is two-wheel?
A _________________ pulley makes work easier than a one-wheel pulley.
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500What is effort?
Just like an inclined plane, a screw moves a longer distance, but less ____________ is needed.
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