Motion
Friction
Gravity
Force
Investigations
100
This must be applied to an object to move it.
What is a 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

Did push or pull forces cause the "hopper" to jump?

What is push forces when you push on the hopper, and pull forces when the rubber band pulls back together.

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.
200

The pulling force that keeps us on Earth is ______________.

What is gravity

200
The name of the item we used to measure the strength of our paper bridges.
What is pennies.
200

Name 4 materials you used to make sliders.

Cardboard, cloth/fabric, bottle caps, buttons, foam, sandpaper.

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

What kind of force caused your bridge to fail?

What is a push force from the weight of the pennies.

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

Name a material that has low friction.

Many possible answers.

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

Are paper clips magnets? Explain.

Many possible explanations.