Unit 4: Waves

Do waves transfer matter or energy?

• Matter

• Energy

Which waves can travel in a vacuum?

• Electromagnetic waves can travel in a vacuum.

• Mechanical waves can travel in a vacuum.

What is the frequency of a wave?

• The waves height
• The distance between two waves.
• The number of repetition of a wave in one second.

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

• The direction in which the vibration occurs.
• The frequency of the wave.
• The size of the wave.

Which do sound waves travel quickest through?

• a solid

• a liquid

• a gas

• they travel at the same speed through solids, liquids, or gases

What is a wave?

• A disturbance that transmits energy from one place to another.
• Something that moves matter.
• The intensity at which energy moves.

What is the crest of a wave?

• The highest point of a wave.
• The distance between two waves.
• The frequency of a wave.

True or False: Light waves can travel through a vacuum.

• True
• False

Choose the image below that will allow light to pass through it.

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What color is formed when all the colors of light are combined?

• Black
• White
• Red