Properties of Waves

A disturbance that sends energy away from the source is called a

• Wave

• Trough

• Crest

• Medium

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The matter through which some waves travel is the

• Crest

• Trough

• Amplitude

• Medium

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How do waves transfer energy?

• Through ocean waves

• By vibration of particles in a medium

• Through compressions

• By a combination of waves

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Waves that vibrate parallel to the direction of wave movement are

• Transverse waves

• Longitudinal waves

• Combination waves

• Amplitude waves

Waves that vibrate perpendicular to the direction of wave movement are

• Transverse waves

• Longitudinal waves

• Amplitude waves

• Combination waves

Waves that do not require a medium are called

• Transverse Waves

• Mechanical Waves

• Electromagnetic Waves

• Longitudinal Waves

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Sound waves are waves the require a medium. They are an example of

• Transverse waves

• Mechanical waves

• Electromagnetic waves

• Longitudinal waves

Visible light, x-rays and microwaves are all examples of

• Transverse waves

• Mechanical waves

• Electromagnetic waves

• Longitudinal waves

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Why is it that an explosion in space can be seen but not heard on Earth?

• Space is a vacuum, so sound cannot travel in space.

• Light waves are mechanical waves and do not need a medium to travel

• Because space is too far away

• The explosion is not big enough

An alarm clock is put in a jar while it is going off. The air inside the jar is removed to make a vacuum. Which answer below describes what would happen after the air is removed.

• The alarm clock would stop ringing and break

• The alarm clock would still look like it is ringing, but there would be no sound

• The alarm clock would still be ringing, but look like it has stopped going off

• Nothing would change

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