Sound and Light - 2 answers

Front

What color of light is absorbed by a red apple?

Back

Green, yellow, and blue light are absorbed by a red apple.

Front

How do black objects interact with light?

Back

Black objects absorb all wavelengths of light.

Front

What happens to sound waves when they travel from a liquid to a solid?

Back

Sound waves travel faster in solids than in liquids.

Front

Why does light bend when it enters water from air?

Back

Light bends because water changes the speed of light when it moves from air into water.

Front

What is the speed of sound in different materials?

Back

Sound travels at different speeds depending on the material; it travels fastest in solids.

Front

What is the relationship between wavelength and color in light?

Back

Different colors of light have different wavelengths; red has a longer wavelength than blue.

Front

What is refraction?

Back

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

Front

What is the difference between reflection and absorption of light?

Back

Reflection is when light bounces off an object, while absorption is when light is taken in by an object.

Front

What is a mechanical wave?

Back

A mechanical wave is a wave that requires a medium (solid, liquid, or gas) to travel through.

Front

How does temperature affect the speed of sound?

Back

The speed of sound increases with temperature in a given medium.