Sound Review

Sound is a form of what kind of energy?

• Radiant

• Thermal

• Mechanical

• Nuclear

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The little dots on the model represent what?

• Sound Particles

• Air Particles

• Sound waves

• Air

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Which material will sound travel through the best?

• Water

• Air

• Steel

• Cloth

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Sound waves travel best through

• Gases

• Solids

• Vacuums

• Liquids

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According to the table, sound travels fastest through matter that-

• can evaporate easily.

• Has no definite shape

• Has particles close together

• Has particles that move quickly.

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Ms. Pineda asks her students, why can't we hear in space. Which explanation best explains on why we cannot hear in space.

• Todd says " We cannot hear in space because space is so deep and wide, that we just cannot hear it".

• Jeff says "We cannot hear in space because the frequency is so high only animals can hear"

• Bridgette says "We cannot hear in space because the sound waves have no air particles to transfer their energy to".

• Chrissy says: " we cannot hear in space because the sounds are too soft. If we made a really loud sound, we could hear it in space"

Sound travels faster in solids than gasses and liquids. Which explanation best explains why?

• In solids, the particles are spread out, so sound waves can travel much faster.

• In solids, the particles are closer together, so sound waves can vibrate on more particles faster.

• In solids, the particles are spread out and moving fast so sound waves can vibrate faster.

• In solids, the particles are not dense. They are thinner so sound waves are able to move through faster.

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In General Sound waves travel the slowest in __________

• solid
• liquid
• Gas
• Plasma

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What causes sound?

• pitch

• vibrations

• light

What type of media is this?

• solid

• liquid

• gas

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