Forces and Motion

Front

What is force?

Back

A force is a push or pull that can change the motion of an object.

Front

What is motion?

Back

Motion is the change in position of an object over time.

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy of moving particles.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating sound waves.

Front

What is light energy?

Back

Light energy is the energy that is visible to the human eye and is produced by the vibrations of electrically charged particles.

Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like atoms and molecules.

Front

What is friction?

Back

Friction is the force that opposes the motion of an object when it comes into contact with another object.

Front

What is gravity?

Back

Gravity is the force that attracts two bodies toward each other, such as the Earth pulling objects toward its center.