Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It is used to power devices like lamps and appliances.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy that causes heat.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object. It is the energy associated with the motion and position of an object.

Front

What is radiant energy?

Back

Radiant energy is the energy of electromagnetic waves, including light. It is the energy that travels through space.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating sound waves. It is the energy we hear.

Front

How does a lamp produce light?

Back

A lamp produces light by converting electrical energy into light energy.

Front

What causes water to evaporate?

Back

Water evaporates when thermal energy from the environment heats it up, causing it to change from liquid to gas.

Front

What type of energy does a toy oven use to bake cakes?

Back

A toy oven uses electrical energy to power the lightbulb and thermal energy to bake the cakes.

Front

What is the energy source for objects that use light?

Back

The energy source for objects that use light is radiant (light) energy.

Front

What happens when heat is applied to a candle?

Back

When heat is applied to a candle, it produces warm air currents that can cause movement, like turning a carousel.