3.8A Forms of Energy

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the heat of an object. It is the energy of moving particles in matter.

Front

Which form of energy is used to cook food in an oven?

Back

Thermal energy is used to cook food in an oven.

Front

What is light energy?

Back

Light energy is the energy that comes from light sources, such as the sun, lamps, and fire.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating objects, which creates sound waves.

Front

Can a dishwasher produce light?

Back

No, a dishwasher does not produce light.

Front

What is an example of an object that produces both light and sound energy?

Back

A television set produces both light and sound energy.

Front

What two forms of energy does an ambulance use to warn people?

Back

An ambulance uses light and sound energy to warn people.

Front

What is mechanical energy?

Back

Mechanical energy is the energy that an object has due to its motion or position.

Front

What is an example of thermal energy in everyday life?

Back

An example of thermal energy is the heat from a stove or a heater.

Front

What is the source of light energy during the day?

Back

The sun is the main source of light energy during the day.