Exploring Light and Sound Flashcard

Front

What is refraction?

Back

Refraction is the change in direction of a wave when it passes from one medium to another.

Front

What is a property of light?

Back

Light travels in straight lines.

Front

What is NOT a source of light?

Back

A mirror is not a source of light.

Front

Which travels faster, light or sound?

Back

Light travels faster than sound.

Front

What do we see when all colors of light are combined?

Back

We see white when all colors of light are combined.

Front

What is reflection?

Back

Reflection is when light bounces off a surface.

Front

What is absorption?

Back

Absorption is when light is taken in by an object.

Front

What is diffusion?

Back

Diffusion is the spreading out of light as it passes through a medium.

Front

What is a light source?

Back

A light source is an object that produces light, like the sun or a flashlight.

Front

What is sound?

Back

Sound is a type of energy that travels in waves and can be heard.