Wave Quiz

What is a wave?

• A. A force that moves objects

• B. A repeating disturbance that transfers energy

• C. A vibration that transfers matter

• D. A compression of air molecules

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Which type of wave requires a medium to travel through?

• A. Electromagnetic

• B. Mechanical

• C. Light

• D. Radio

What is the highest point of a wave called?

• A. Trough

• B. Amplitude

• C. Crest

• D. Wavelength

Which unit is used to measure the frequency of a wave?

• A. Meters

• B. Decibels

• C. Hertz

• D. Joules

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What are the tiny bones in the middle ear collectively called?

• A. Cochlea

• B. Ossicles

• C. Pinna

• D. Nerve endings

Why do electromagnetic waves not require a medium to travel?

• A. They travel too fast.

• B. They carry particles.

• C. They can move through the vacuum of space.

• D. They are mechanical waves.

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What happens to the speed of sound when it moves from air to water?

• A. It slows down.

• B. It stops completely.

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What part of the wave determines its energy?

• Amplitude

• Frequency

• Wavelength

• Speed

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Which property of waves explains why we hear echoes?

• Refraction

• Reflection

• Diffraction

• Absorption

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What does the cochlea do in the ear?

• Funnels sound waves into the ear

• Vibrates to amplify sound

• Converts sound vibrations into nerve signals

• Reflects sound waves back out