Light & matter

Why do you think the sky is blue?

What is the sunlight composed of?

• Only ultraviolet light

• All colors of the rainbow

• Only visible light

• Only blue and red light

What causes the sky to appear blue during the day?

• Scattering of all light colors equally

• Reflection of blue light from the ocean

• Absorption of blue light by the atmosphere

• Scattering of blue light by the atmosphere

Why does the sky change color at sunset?

• The moon reflects different light

• The atmosphere absorbs more light

• More blue light is scattered away

• The sun stops emitting blue light

What role do aerosols play in changing the sky's color?

• They reflect sunlight back to space

• They scatter a lot of blue light

• They absorb all colors except red

• They increase the scattering of green light

Tags

NGSS.HS-ESS3-5

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