Vocabulary
Levers
Pulleys/Wheel&Axle
Inclined Plane/Screws/Wedges
Miscellaneous
100
The pivot point on a lever
What is a fulcrum?
100
A bar that pivots on a fixed point
What is a lever?
100
A lipped wheel with a rope or cord around it
What is pulley?
100
This simple machine would be useful to move big pieces of furniture
What is an inclined plane?
100
All simple machines have this in common
What is make work easier?
200
Any push or pull
What is force?
200
A see-saw is an example of this class of lever
What is first class lever?
200
This simple machine must have two parts that turn together
What is a wheel and axle?
200
A water bottle cap is an example of this simple machine
What is a screw?
200
A screwdriver is an example of this simple machine
What is a wheel and axle?
300
A machine that has two or more parts to it
What is a compound machine
300
In this class lever, the load is in the middle
What is second class lever?
300
A pulley changes the direction of this
What is force?
300
This simple machine changes the force sideways and apart
What is a wedge?
300
Two simple machines that make up a pair of scissors (compound machine)
What is a lever and a wedge?
400
This force resists motion between objects that are in contact
What is friction?
400
A broom or hockey stick is an example of this class lever
What is third class lever?
400
The part of a wheel and axle that turns with greater force
What is an axle?
400
The inclined plane part of a screw is called this
What is a thread?
400
The two characteristics of a simple machine
What is few or no moving parts and only one force applied?
500
The use of force to move an object over a distance
What is work?
500
The tab on the top of a soda can is this class of lever
What is first class lever?
500
When you add pulleys to a pulley system, what increases: force or distance
What is distance
500
The distance is shorter and the force needed is greater. You would call this a __________ramp?
What is steep?
500
Three simple machines that make up a bicycle (compound machine)
What is wheel and axle, pulley, and lever?
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