General Science Review 8.1: Question Preview (ID: 12944)

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Energy travels to Earth from the ____ as ___________________
a) sun; electromagnetic waves
b) sun; electric waves
c) heat source; electromagnetic waves
d) heat source; electric waves

What type of radiation from the sun arrives in small amounts?
a) ultraviolet radiation
b) infrared radiation
c) visible light
d) 2 of the choices

What color of visible light has the longest wavelengths?
a) Red
b) Orange
c) Violet
d) Indigo

What color of visible light has the most energy
a) Red
b) Orange
c) Blue
d) Indigo

Which type of radiation can be felt as heat?
a) infrared radiation
b) ultraviolet radiation
c) visible light
d) none of the choices

What percentage of sunlight is reflected back to space?
a) 50%
b) 20%
c) 30%
d) 40%

Dust particles and gases in the atmosphere reflect light in all directions in a process called:
a) scattering
b) flattering
c) spreading
d) sprinkling

Gas molecules scatter _____ wavelengths of light more than ____ long wavelengths of light. This makes the scattered light look________
a) short; long; bluer
b) long; short; bluer
c) short; long; redder
d) long; short; redder

a) can absorb or reflect energy from the sun
b) only absorb energy from the sun
c) only reflect energy from the sun
d) neither absorb or reflect energy from the sun

What is not true?
a) gases in the atmosphere hold heat in the atmosphere
b) 50% of sunlight is absorbed by land and water
c) most infrared radiation can travel back into space
d) Earth's surface absorbs energy from the sun and releases it as infrared radiation

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