Light Waves Review

This image shows waves going through the same medium. How do these waves differ?

• The waves travel at different speeds.

• The waves have different wavelengths.

• The waves carry different amounts of energy.

• The waves are a different distance from the source.

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NGSS.HS-PS4-1

Why does an apple look red?

• It absorbs the red light.

• It reflects the red light.

• It reflects all other colors.

• The light waves are refracted.

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NGSS.MS-PS4-2

If light can go all the way through an object (like a clear window) it is...

• reflected

• scattered

• transmitted

• absorbed

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NGSS.MS-PS4-2

We cannot see clearly through a frosted window. The light is...

• reflected

• scattered

• transmitted

• absorbed

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NGSS.MS-PS4-2

Why is the sky blue?

• Blue light scatters the most in the atmosphere.

• Blue is reflected from the ocean.

• Blue is the easiest color for our eyes to take in.

• Blue light is the most transparent.

What type of energy is transmitted from the Sun to Earth through space?

• kinetic energy

• electrical energy

• heat energy

• electromagnetic energy

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NGSS.MS-ESS2-4

NGSS.MS-PS4-1

The ________ is the top of the wave.

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NGSS.MS-PS4-1

The __________ is the bottom of the wave.

Which part of the eye contains the rods and cones needed to see color?

• pupil

• lens

• retina

• iris

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NGSS.MS-LS1-8

Which part of the eye refracts light to focus the image?

• pupil

• retina

• lens

• cornea