Earth In Space Question Preview (ID: 34727)
Earth In Space Part 3.
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Which describes the difference between nuclear fission and nuclear fusion?
a) Nuclear fission produces the radiant energy of stars, and nuclear fusion splits a heavier nucleus into smaller nuclei
b) Nuclear fission splits a heavier nucleus into smaller nuclei, and nuclear fusion produces the radiant energy of stars
c) Nuclear fission produces the energy in the core of Earth, and nuclear fusion produces energy in nuclear power plants.
d) Nuclear fission produces energy in nuclear power plants, and nuclear fusion produces the energy in the core of Earth.
How does heat get from the sun to the Earth?
a) by radiation, using electromagnetic waves to transfer the heat
b) by convection, using liquids and gases to transfer the heat
c) by conduction, using solids to transfer the heat
d) by absorption, using primary waves to transfer the heat
How much of the solar system's mass does the sun make up?
a) 75 percent
b) 40 percent
c) 25 percent
d) 99 percent
What is the sun's interior mostly made of
a) solid
b) liquid
c) gas
d) plasma
What motion causes Earth's tides to change every six hours?
a) Earth's revolution around the Sun
b) Earth's rotation on its axis
c) Sun's revolution around the Earth
d) The Moon's revolution around the Earth
When does a spring tide occur?
a) When the Earth, Sun, and Moon form a left angle.
b) When the Earth, Sun, and Moon form a right angle
c) When the Earth, Sun, and Moon line up
d) when a moon completes a full revolution around the Earth
How often does the moon orbit the Earth?
a) Every 28 days
b) Every 90 days
c) Every 365 days
d) Every 24 hours
When does a neap tide occur?
a) When the Earth, Sun, and Moon form a left angle
b) When the Earth, Sun, and Moon form a right angle
c) When the Earth, Sun, and Moon line up
d) When the moon completes a full revolution around the Sun
Which is true of the wavelengths on the electromagnetic spectrum?
a) the longer the wavelength, the more harmful the energy
b) the shorter the wavelength, the less harmful the energy
c) the shorter the wavelength the more harmful the energy
d) all wavelengths on the electromagnetic spectrum are equally harmful
Which gas blocks ultraviolet radiation from the Sun
a) Ozone
b) carbon dioxide
c) argon
d) gold
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