Sound Review

What is sound produced by?

• The movement of light waves

• Vibrations in matter

• Electrical impulses

• Chemical reactions

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NGSS.MS-PS4-1

What type of energy is sound?

• Thermal energy

• Mechanical energy

• Chemical energy

• Electromagnetic energy

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How is energy transferred in sound waves?

• Through the motion of particles in a medium

• By the light illuminating the particles

• Through the heat generated by the particles

• By the electrical charge of the particles

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What must sound have to travel?

• A vacuum

• A medium

• A source of heat

• A magnetic field

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NGSS.MS-PS4-2

Which objects have a higher pitch?

• Objects vibrating slowly

• Objects that are stationary

• Objects vibrating rapidly

• Objects that are heated

What do musical instruments do to produce sound?

• Reflect light

• Vibrate

• Generate heat

• Conduct electricity

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What determines the frequency of the sound produced by vibrating objects?

• The color of the object

• The temperature of the object

• The size, length, and thickness of the vibrating object

• The material the object is made of

Through which state of matter does sound travel the quickest?

• Gas

• Liquid

• Solid

• Sound does not travel through matter

Tags

NGSS.MS-PS4-2

Sound travels the slowest through which state of matter?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS4-2

Why does sound travel faster through solids than gases?

• Because solids have molecules that are farthest apart

• Because gases have molecules that vibrate more quickly

• Because the molecules of a solid are closer together

• Because sound does not require a medium to travel

Tags

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