Lesson 1: Forms of Energy

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What are the different forms of energy?

Back

The different forms of energy include sound, light, heat, electrical, chemical, and mechanical energy.

Front

How does sound travel?

Back

Sound travels through vibrations in a medium such as air, water, or solid materials.

Front

What is sound energy?

Back

Sound energy is a form of energy made by vibrating objects.

Front

What is light energy?

Back

Light energy is a form of energy that can be seen and travels in waves.

Front

What does it mean for light to refract?

Back

Refraction is when light bends as it passes from one medium to another.

Front

What is a wave?

Back

A wave is a disturbance that transfers energy from one place to another.

Front

What is work in terms of energy?

Back

Work is done when a force moves an object.

Front

What is the fastest medium for sound to travel through?

Back

Sound travels fastest through solids, like wood.

Front

How do sound and light energy move?

Back

Both sound and light energy move in waves.