Science 9 Unit 5: Waves, Sound, and Light

What is being transferred with a wave?

• medium

• energy

• matter

• power

What is the wavelength?

• length between crest to crest or trough to trough

• the height of a wave

• how fast the wave goes

• the amount of times a wave passes through a certain point

What is the crest of a transverse wave?

• the lowest point of the wave

• the middle of a wave

• the highest point of a wave

• the distance between the lowest points of a wave

What is the amplitude of a wave?

• how often a wave passes a certain point

• the distance from the middle of the wave to a crest or a trough

• the highest point of a wave

• the lowest point of a wave

Which of the following properties makes a light wave different from all mechanical waves?

• A light wave slows down in a vacuum.

• A light wave is able to transmit energy.

• A light wave exists as a transverse wave.

• A light wave can travel without a medium.

Waves that need a medium are called?

• Electromagnetic Waves

• Light waves

• Mechanical Waves

• Energetic waves

Waves that can travel through a vacuum and do no require a medium are called?

• Transverse Waves

• Sound Waves

• Mechanical Waves

• Electromagnetic Waves

When a wave bounces back, it is called?

• diffraction

• refraction

• transmission

• reflection

What is the unit for frequency?

• Meters

• Hertz

• Decibels

• Meters/Second

Objects appear different in size and shape in a container of water due to ____________________________.

• transmission

• reflection

• absorption

• refraction