Forms of Energy, SCE 3rd Grade

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What are the three main forms of matter that energy can travel through?

Back

Solids, liquids, and gases.

Front

How does light energy travel?

Back

Light energy travels in straight lines.

Front

What is sound energy?

Back

Sound energy is produced when objects vibrate and create sound waves.

Front

How do sound waves travel?

Back

Sound waves travel by vibrating air particles.

Front

What happens to light when it passes through a glass?

Back

Light refracts, or bends, when it passes through glass.

Front

What is the definition of refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What is the difference between reflection and refraction?

Back

Reflection is when light bounces off a surface, while refraction is when light bends as it passes through a medium.

Front

What is an example of energy transformation?

Back

When a light bulb converts electrical energy into light energy.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.