Chapter 3: Energy

Energy is the ______ __ ____.

_________ energy is stored energy.

• potential

• kinetic

• sound

• heat

• light

_________ energy is energy that moving objects possess.

• electrical

• kinetic

• sound

• heat

• light

_________ energy allow us to hear and communicate.

• electrical

• kinetic

• sound

• heat

• light

Which item has potential energy?

• rock on top of a hill

• compressed spring

• rice

• a ball rolling on a flat ground

• the sun

Light energy is the energy that allows us to ___ ______.

Heat energy is the energy that keeps us ____ and allows us to ____ food.

Electrical energy is a very ______ and convenient form of energy used widely in our daily lives. It can be _________ easily to other forms of energy by using electrical appliances.

Energy ______ be created or destroyed. 

Which statement about energy is correct?

• Energy cannot be created or destroyed.

• Energy can be created and destroyed.

• Energy cannot be created but can be destroyed.

• Energy can be created but cannot be destroyed.