Waves Unit Review

What do waves do?

• Transfer energy

• Transfer matter

Which wave does NOT require a medium to travel? (It can move in a vacuum).

• Electromagnetic waves

• Mechanical waves

True or false: Sound is a mechanical wave that is created when something vibrates.

• True

• False

Which wave moves up and down?

• Longitudinal

• Transverse

A fast vibration would cause ____

• A quiet sound

• A high pitch sound

• A loud sound

• A low pitch sound

True or false: Light can travel through space because it is an electromagnetic wave.

• True

• False

An object that is _____ means some light can pass through it.

• Opaque

• Translucent

• Transparent

Frequency is ____

• wave height

• the distance between two waves

• the number of repetition of a wave on one second

True or false: Sound waves travel at the same speed through solids, liquids, and gases.

• True

• False, they travel faster through a solid

• False, they travel faster through a gas

• False, they travel faster through a liquid

What is the crest of a wave?

• It’s highest point

• It’s lowest point

• The distance between two waves