EM vs. Mechanical waves

Which type of waves must have a medium in order to travel?

• electromagnetic wave

• mechanical wave

All waves carry

• energy
• light 
• matter
• particles

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NGSS.MS-PS4-1

Mechanical waves usually travel fastest through:

• solids

• liquids

• gases

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NGSS.HS-PS4-1

Mechanical waves usually travels fastest as the temperature of the medium:

• increases

• decreases

• stays the same

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NGSS.MS-PS1-4

What is a medium?

• something between a small and a large?
• the substance through which a wave can travel
• a pattern of vibration that simulates when a wave is standing still
• the distance from any point on a wave to an identical point on the next wave

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NGSS.MS-PS4-2

What type of wave is this?

• Electromagnetic

• Mechancial

• Both Electromagnetic and Mechanical

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

What type of wave is this?

• Electromagnetic

• Mechanical

• Both Electromagnetic and Mechanical

Tags

NGSS.MS-PS4-1

True or False: Sound needs a medium.

• True

• False

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NGSS.MS-PS4-2

True or False: Sound waves are faster than light.

• False

• True

Sound waves travel the fastest through ---

• Liquids

• Gases

• Solids

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2