7.p.10.n review

How will sound moving through air be different when it moves through water?

• The sound will be much louder.

• The sound will move at a different speed.

• The sound will be at a higher pitch.

• The sound will be silenced.

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NGSS.MS-PS4-2

Jason is swimming in his backyard pool and notices that sounds underwater are different than sounds above water. What best explains the difference in sounds?

• The difference between how air flows and water flows

• Water entering Jasons ears and blocking sounds

• Interactions between sound waves and light waves

• The different speed of sound waves in water and in air

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NGSS.MS-PS4-2

The speed of light will change in which of the following situations?

• The light moves through glass, then air.

• The source of light is rotated.

• The light becomes brighter over time.

• The light source is accelerated.

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NGSS.MS-PS4-2

A light wave is traveling through the air and then enter water. How will the light change?

• It will change color.

• It will become brighter.

• It will move at a different speed.

• It will stop completely.

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NGSS.MS-PS4-2

The speed of sound will be different if which of the following happens?

• The sound gets louder and louder.

• The source of the sound is moving.

• The source of the sound is blue.

• The source of the sound is heated.

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NGSS.MS-PS4-1

The speed of sound is the measure of how far it travels in a certain amount of time. The speed of sound will differ depending on which of the following?

• The frequency of the sound

• Where the sound originated from

• The pitch of the sound

• The material the sound is traveling through

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NGSS.MS-PS4-2

Which of the following is the mostaccurate regarding the speed of light?

• The speed of light depends on the color of light that we see.

• The speed of light is constant in all media at all times and places.

• The speed of light can change as it moves through different materials.

• The speed of light is only affected by the brightness of the light.

Sound is a type of mechanical wave and must have a medium through which to travel. Sound will move at different speeds when which of the following occurs?

• The sound is fully absorbed in an object.

• The sound moves from air to water.

• The sound pitch increases.

• The sound is reflected off a surface.

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NGSS.MS-PS4-2

Which of the following is mostaccurate statement about both light and sound waves?

• Light and sound waves cannot travel through water.

• Both light and sound waves travel to Earth from the Sun.

• Light and sound waves both travel at the same speed.

• The speed of waves can change depending on the medium.

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NGSS.MS-PS4-2

Ella is playing with a flashlight, observing how light behaves in different situations. Sometimes she sees the light bend, indicating that it is moving at a different speed. What situation would result in this change in speed?

• The light moves from one material to another.

• The flashlight becomes warmer the more it is used.

• The light from the flashlight interacts with sunlight.

• The batteries in the flashlight become weaker.

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NGSS.MS-PS4-2