Waves and Information

Front

What is the main source of light that allows us to see objects?

Back

The sun is the main source of light that produces light reflected off objects into our eyes.

Front

What is frequency in terms of waves?

Back

Frequency is the number of repetitions of a wave in one second.

Front

What happens to colors that we see?

Back

The colors we see are being reflected, while the colors we don't see are being absorbed.

Front

Do sound waves travel at the same speed through all materials?

Back

No, sound waves travel faster through solids than through liquids and gases.

Front

Can light waves travel through a vacuum?

Back

Yes, light waves can travel through a vacuum.

Front

What is a wave?

Back

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

Front

What are the two main types of waves?

Back

The two main types of waves are mechanical waves and electromagnetic waves.

Front

What is an example of a mechanical wave?

Back

Sound waves are an example of mechanical waves.

Front

What is an example of an electromagnetic wave?

Back

Light waves are an example of electromagnetic waves.

Front

What is reflection in terms of light?

Back

Reflection is when light bounces off an object.