Force and Motion - 3rd Grade Science

Front

Definition of Force

Back

A push or pull on an object.

Front

Definition of Motion

Back

The change in position of an object over time.

Front

Examples of Force:

Back

Pushing a door open, pulling a wagon.

Front

Examples of Motion

Back

A car driving down the street, a ball rolling.

Front

Gravity

Back

A force that pulls objects toward each other, like the Earth pulling us downward.

Front

Friction

Back

A force that slows down motion when two surfaces rub against each other.

Front

Inertia

Back

The tendency of an object to resist changes in its state of motion.

Front

Newton's First Law

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a force.

Front

Speed

Back

The rate at which an object moves.

Front

Velocity

Back

The speed of an object in a specific direction.