1. When an object is at rest or not moving, the energy it possess is _____.
A. Chemical energy C. Potential energy
B. Kinetic energy D. Thermal energy
2. A rolling ball possesses ___.
A. Chemical energy C. Potential energy
B. Kinetic energy D. Thermal energy
3. Chemical energy is important because _____
A. Because it can makr our work easier.
B. Because it can make our life complicated.
C. Because it can sustain life.
D. All of the choices.
4. The following are uses of mechanical energy except _____.
A. It can make our work easier.
B. It generates electricity.
C. It is use to locate exact locations.
D.It makes our work faster.
5. Which of the following is a source of chemical energy?
A. Pencil B. Chalk C. Bicycle D. Firewood​