8th Grade GMAS Physical Science Vocabulary Flash Cards

Front

Displacement

Back

The length and direction of a straight line between two locations or positions.

Front

Distance

Back

A measure of the length of a path that a moving object travels.

Front

Velocity

Back

A quantity that measures the rate at which the position of an object changes in time.

Front

Speed

Back

Measures the rate at which an object moves along a path.

Front

Acceleration

Back

A quantity that measures the rate at which an object changes its velocity. Speed up, slow down, or changing direction.

Front

Force

Back

Push or pull.

Front

Balanced forces

Back

When two or more forces act on an object but the object’s velocity does not change.

Front

Stationary

Back

An object that is not moving.

Front

Unbalanced Forces

Back

When two or more forces act on an object causing the object to accelerate.

Front

Friction

Back

The force that resists motion between two surfaces.