What Are Waves?

A ____ is a disturbance that transfers energy from place to place.

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

In science, what is energy defined as?

The material through which a wave travels is called a ________.

• wavelength

• force

• medium

• substance

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NGSS.MS-PS4-2

Gases (such as air), liquids (such as water), and solids such as rope all act as mediums through which a wave can travel are called ____________ waves.

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NGSS.MS-PS4-2

Not all waves require a medium to travel through.

• True

• False

What are waves that travel without a medium called?

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NGSS.HS-PS4-3

Describe what is happening to the wave and the duck in this picture.

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NGSS.MS-PS4-1

Energy is always required to make a wave.

• False

• True

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NGSS.MS-PS4-1

____________ waves are produced when a source of energy causes a medium to vibrate.

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

What are the two types of mechanical waves?