Behavior of Light Waves

When sunlight passes through the atmosphere and enters a lake, what happens to its speed?

• It increases.

• It remains the same.

• It decreases.

• It first decreases, then increases.

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NGSS.MS-PS4-2

Which of the following materials will light not pass through?

• Glass

• Water

• Wood

• Clear plastic

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NGSS.MS-PS4-2

Which of the following shows the principle of light reflection? Tick the correct answers.

• A

• B

• D

• E

• F

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NGSS.MS-PS4-2

Another name for light bending is ....

• Reflaction

• Absorbing

• Refraction

• mirror

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NGSS.MS-PS4-2

Why is light refracted?

• Light speeds up

• Light slows down

• Light speed stays the same

• Light can either slow down or speed up

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

During a physics class experiment, Anika observes that the color of light changes when it passes from air into water. She wonders, the wavelength of light depends

• only on the source.

• only on the medium.

• on both the source and the medium.

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NGSS.MS-PS4-2

Light is considered to be

• electromagnetic waves

• particles

• transverse waves

• all of the above

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NGSS.HS-PS4-3

When light hits a barrier that is solid/opaque what is usually created?

• a hot object

• a shadow

• nothing

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NGSS.MS-PS4-2

When you shine sunlight through a magnifying glass onto a piece of paper, you can sometimes set the paper on fire. Why does this happen?

• The glass of the magnifier heats up.

• The energy of the Sun is focused in one small place.

• The energy of the Sun is spread out over the whole piece of paper.

• Sunlight sets everything on fire if it sits still long enough.

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NGSS.MS-PS3-3

Light behave like

• a particle

• a wave

• waves AND particles

Tags

NGSS.HS-PS4-3