Forces and Motion--5th Grade

Front

What is force?

Back

A push or pull on an object.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is speed?

Back

The distance traveled per unit of time.

Front

What is average speed?

Back

Total distance traveled divided by total time taken.

Front

What is inertia?

Back

An object in motion tends to stay in motion unless acted on by an opposite force.

Front

What is acceleration?

Back

The rate at which an object changes its velocity.

Front

What is a balanced force?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

Forces that are not equal, causing a change in motion.

Front

What is gravity?

Back

A force that pulls objects toward each other, such as the Earth pulling objects toward its center.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.