Front

What type of light has the lowest energy?

Back

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

Front

This is an example of__________________.

Back

Reflection is when light bounces off a surface.

Front

Sound can travel through all of the following EXCEPT _____________.

Back

Sound cannot travel through a vacuum.

Front

What is a wave?

Back

A wave is a disturbance that transfers energy through matter or space.

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 reflection?

Back

Reflection is the bouncing back of a wave when it hits a surface.

Front

What is refraction?

Back

Refraction is the bending of a wave 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.

Front

What is the difference between a transverse wave and a longitudinal wave?

Back

In a transverse wave, the particle movement is perpendicular to the wave direction; in a longitudinal wave, it is parallel.