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Earth In Space
Test Description: Earth in space part 3
Instructions: Answer all questions to get your test result.
1) 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 produces the energy in the core of Earth, and nuclear fusion produces energy in nuclear power plants.
C
Nuclear fission produces energy in nuclear power plants, and nuclear fusion produces the energy in the core of Earth.
D
Nuclear fission splits a heavier nucleus into smaller nuclei, and nuclear fusion produces the radiant energy of stars
2) How does heat get from the sun to the Earth?
A
by conduction, using solids to transfer the heat
B
by convection, using liquids and gases to transfer the heat
C
by absorption, using primary waves to transfer the heat
D
by radiation, using electromagnetic waves to transfer the heat
3) How much of the solar system's mass does the sun make up?
A
99 percent
B
75 percent
C
40 percent
D
25 percent
4) What is the sun's interior mostly made of
A
solid
B
plasma
C
liquid
D
gas
5) What motion causes Earth's tides to change every six hours?
A
Earth's revolution around the Sun
B
Sun's revolution around the Earth
C
The Moon's revolution around the Earth
D
Earth's rotation on its axis
6) When does a spring tide occur?
A
when a moon completes a full revolution around the Earth
B
When the Earth, Sun, and Moon form a left angle.
C
When the Earth, Sun, and Moon line up
D
When the Earth, Sun, and Moon form a right angle
7) How often does the moon orbit the Earth?
A
Every 28 days
B
Every 24 hours
C
Every 365 days
D
Every 90 days
8) When does a neap tide occur?
A
When the Earth, Sun, and Moon form a right angle
B
When the Earth, Sun, and Moon form a left angle
C
When the Earth, Sun, and Moon line up
D
When the moon completes a full revolution around the Sun
9) Which is true of the wavelengths on the electromagnetic spectrum?
A
the shorter the wavelength, the less harmful the energy
B
the longer the wavelength, the more harmful the energy
C
the shorter the wavelength the more harmful the energy
D
all wavelengths on the electromagnetic spectrum are equally harmful
10) Which gas blocks ultraviolet radiation from the Sun
A
argon
B
gold
C
Ozone
D
carbon dioxide
*select an answer for all questions
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