Balancing Forces Unit Test

Front

What is a force?

Back

A force is a push or pull on an object.

Front

What materials are attracted to magnets?

Back

Materials made of iron, nickel, or cobalt are attracted to magnets.

Front

What does it mean to explain something?

Back

To explain something means to describe how it works or why it happens.

Front

What is an example of a touching force?

Back

Pushing a toy car into a tower of wooden blocks is an example of a touching force.

Front

What does it mean to attract?

Back

To attract means to pull on an object, even without touching it.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, like the Earth pulling us down.

Front

What is an example of a non-touching force?

Back

Magnetism is an example of a non-touching force.

Front

What happens when two forces are balanced?

Back

When two forces are balanced, they cancel each other out, and the object does not move.

Front

What happens when forces are unbalanced?

Back

When forces are unbalanced, the object will move in the direction of the stronger force.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces that are in contact.