Unit 14 Science Fusion Light and Sound

When a wave moves from point X to point Y

• energy only moves from point X to point Y.

• energy and matter move from point X to point Y.

• energy and matter move from point Y to point X.

  D.

• energy moves from point X to point Y and matter moves from point Y

  to point X.

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A wave’s amplitude is most directly related to

• its frequency.

• its wavelength.

• the medium it travels through.

• the amount of energy it carries.

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An example of a translucent material is

• glass

• wood

• cardboard

• waxed paper.

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Which property of a sound wave is most directly related to pitch?

• speed

• frequency

• amplitude

• wavelength

Which property of sound is measured using decibels?

• pitch

• speed

• intensity

• wavelength

Which activity best describes the function of the inner ear?

• to amplify sounds waves within the ear

• to change sound waves to nerve signals

• to generate sound waves that leave the ear

• to collect sound waves from the surrounding area

wave energy passing through matter

• transmission

• absorption

• reflection

• diffraction

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wave energy changing to thermal energy and

remaining in the matter

• transmission

• absorption

• reflection

• diffraction

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wave energy bouncing back toward its source

• transmission

• absorption

• reflection

• diffraction

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What type of wave is indicated at label 10?

• radio waves

• infrared waves

• light waves

• ultraviolet waves

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