Motion
Friction
Gravity
Force
Investigations
100

This must be applied to an object to move it.

PUSH or a PULL.

100
This term means rubbing two objects against one another.
What is friction.
100
The force that makes a paper airplane eventually fall to the ground.
What is gravity.
100
The force that is needed to move a shopping cart.
What is a push.
100

True or false. The bigger the force, the faster the ball moves.

True

200

To move a wagon, you use a __________ force.

What is a pull force.

200

Give an example of an item with high friction.

Many possible answers.

Ex: glass on glass, rubber on rubber, metals on skin

200
The pulling force that keeps us on Earth is ______________.
What is gravity
200

Fill in the blank. When there is a force, the ball ____.

moves

200

When the forces acting on an object are the SAME on all sides, what kind of force is it?

Balanced force

300
Stomping is an example of a _________ force.
What is a push force.
300
This type of surface creates the least amount of friction.
What is a smooth surface.
300
Name the two forces are acting on a ball at rest on a table.
What is gravity pushing down and the table pushing up on the ball.
300
Hitting a tennis ball is a ___________ force.
What is a push force.
300

How can an object move without touching anything?

Static Electricity

Magnetic Force 

Gravity

400
A _________ force moves something farther away from something else.
What is a push.
400

True or false. Friction is a force that slows or stops motion. 

True

400
The measure of the pull of gravity is ________.
What is weight or mass.
400
When a magnet pushes another magnet away, we say the two magnets are ___________ one another.
What is repel/repelling
400

We can use _______ to PREDICT the swing's motion.

Pattern

500

Where on the playground do you think you will be able to see motion?

Many possible explanations.

Ex: Slide, swing

500

Imagine a student sliding down a slide. If the friction force is strong than the force of gravity, what will happen? Why?

The student will stop sliding because the friction is pushing against the student and the gravity force isn't strong enough to keep pulling the student down the slide. 

500
Is gravity a pushing or a pulling force? Explain.
What is a pulling force.
500
When two magnets are pulled toward one another, we say they ____________ one another.
What is attract.
500
Magnets attract objects made of __________ and ________.
What is iron and steel.
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