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Vocabulary
Forces
Friction
Simple Machines
Miscellaneous
100
A force that moves an object away.
What is push?
100
Which force pulls you down a playground slide?
What is gravity
100
An example of this force can be observed during a kickball game when the ball is pitched, but the force between the ball and the ground makes the ball stop before reaching the kicker
What is friction
100

A simple machine that can be used to lift heavy objects.

What is a pulley?

100

This can be used to make a job easier

What is a simple machine?

200
A force that brings an object closer.
What is pull.
200
Name 3 surfaces with high friction.
Student answers.
200
Name three surfaces with high friction.
Answers.
200
A simple machine that is used by cars and trains

What is wheel and axle.

200

A simple machine that can be used to easily move heavy objects up to a higher level.

What is an incline plane?

300

The type of force that causes objects to move

What is an Unbalanced Force

300
The type of force which results in movement?
What is an unbalanced force?
300
Name three surfaces with low friction.
Answers.
300

A simple machine that is used to separate things easily

What is a wedge?

400
A force that slows down the movement of an object.
What is friction?
400

Mrs. Flanigan's class and Mrs. Shaw's class are playing tug-of-war. After several minutes, the students notice that the rope has not moved at all. What is one possible cause of this?

The two classes are pulling with the same force.

400
Grass would be what type of friction?
High Friction
400

A simple machine used to launch things from one place to another.

What is a lever?

500
A push or pull that changes the position of an object.
What is force?
500
What two forces are acting together to keep a cup balanced on a table?
What is gravity and the force of the table holding the cup up
500
Ice would be what type of friction?
Low friction
500

This simple machine is used to hold things together.

What is a screw?