Vocabulary N°2

1. Potential energy: the energy stored in an object or material.

• An example of the potential energy is the computer.

2. Gravitational potential energy: the potential energy of an object located above the ground.

• The gravitational potential energy keeps the planets in orbiting around the Sun.

3. Kinetic energy: the energy of a moving object.

• An example of kinetic energy is the chemical energy.

4. Work: force applied to an object times the distance the object moves.

• My mom work everyday at 6:00 am.