Waves and Wave Properties - Pretest

Front

What type of light has the lowest energy?

Back

Radio light has the lowest energy compared to microwaves, infrared, and ultraviolet.

Front

Sound can travel through all of the following EXCEPT _____________.

Back

Sound cannot travel through a vacuum.

Front

This is an example of___________________.

Back

Reflection is when light bounces off a surface.

Front

What is the definition of 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 a mechanical wave?

Back

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

Front

What is an electromagnetic wave?

Back

An electromagnetic wave does not require a medium and can travel through a vacuum.

Front

What is refraction?

Back

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

Front

What is absorption in terms of waves?

Back

Absorption is when a wave is taken in by a material and converted to energy.

Front

What is the speed of sound in air?

Back

The speed of sound in air is approximately 343 meters per second.