Science Review: Waves & Motion

What is the definition (meaning) of a "wave"?

• a pattern of increasing energy

• a pattern of motion that repeats in a cycle

• any motion in two directions

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Which event can cause a wave to form in a lake?

(You can choose more than one answer.)

• wind blows over the surface

• a pebble drops in the water

• a swimmer lifts their head above the surface

The movement in this slinky represents a TRANSVERSE wave.

• TRUE

• FALSE

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The movement in this slinky represents a LONGITUDINAL wave.

• TRUE

• FALSE

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In this diagram, how do these two waves compare?

(How are they alike?)

• These waves have the same amplitude.

• These waves have the same frequency.

• These waves have the same wavelength.

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In this diagram, how do these two waves contrast?

(How are they different?)

• The waves have a different amplitude.

• The waves have a different wavelength and frequency.

• The waves are ready for the weekend!

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This vertical line measures the _______ of this wave.

• wavelength

• amplitude

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This horizontal line measures the _______ of this wave.

• wavelength

• amplitude

A wave is a pattern of motion that repeats in a ______.

• cycle

• frequency

• straight line

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NGSS.MS-PS4-1

When the volume gets louder in a sound wave, it means the amplitude has ________.

• decreased

• increased

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