Questions & Answers
Browse all 18 questions from the
Cosmic Power Sources study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the primary source of solar energy that reaches Earth from space?
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A
The Moon
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B
The Sun
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C
Jupiter
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D
Mars
2
Which form of renewable energy is generated by the gravitational pull of the Moon and the Sun on Earth's oceans?
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A
Tidal energy
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B
Wind energy
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C
Geothermal energy
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D
Biomass
3
What type of star is our Sun, which provides the constant light used in solar panels?
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A
Red giant
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B
White dwarf
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C
G-type main-sequence star
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D
Neutron star
4
In space, what do satellites typically use to convert sunlight directly into electricity?
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A
Steam turbines
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B
Photovoltaic cells
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C
Coal burners
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D
Nuclear reactors
5
The kinetic energy of wind on Earth is largely driven by temperature differences caused by what celestial body?
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A
The Sun
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B
Saturn
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C
Venus
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D
The North Star
6
Which planet has an atmosphere that generates massive, high-speed wind storms that could theoretically produce wind energy?
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A
Neptune
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B
Mercury
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C
Mars
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D
The Moon
7
What is the name of the process that powers the Sun, providing the energy that makes all renewable resources on Earth possible?
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A
Combustion
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B
Nuclear fusion
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C
Friction
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D
Geothermal heating
8
Which part of Earth's crust provides geothermal energy, heat that originates from the planet's formation?
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A
The atmosphere
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B
The ocean surface
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C
The mantle and core
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D
The exosphere
9
What do solar panels on the International Space Station capture to power its onboard systems?
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A
Moonlight
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B
Starlight
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C
Solar radiation
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D
Cosmic rays
10
Which light-based energy source is used to power spacecraft far from the Sun where solar panels are less effective?
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A
Wind energy
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B
Radioisotope thermoelectric generators
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C
Tidal energy
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D
Hydroelectric dams
11
The Earth receives more solar energy in one hour than the entire world uses in how long?
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A
One year
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B
One month
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C
One day
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D
One week
12
What celestial phenomenon occurs when the Moon blocks sunlight, temporarily reducing solar power generation on Earth?
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A
Lunar eclipse
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B
Solar eclipse
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C
Meteor shower
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D
Supernova
13
Which renewable energy source relies on the water cycle, a process driven by heat from the Sun?
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A
Hydroelectric power
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B
Geothermal power
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C
Tidal power
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D
Nuclear fission
14
What is the main byproduct of the nuclear fusion process that powers our Sun?
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A
Helium
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B
Coal
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C
Oil
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D
Natural gas
15
Which planet is closest to the Sun and receives the most intense solar energy?
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A
Earth
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B
Mars
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C
Mercury
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D
Venus
16
What causes the variation in the amount of solar energy hitting different parts of the Earth throughout the year?
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A
The Earth's tilt
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B
The size of the Moon
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C
The speed of Jupiter
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D
The rotation of Venus
17
What type of light is emitted by the Sun that solar panels are designed to convert into electricity?
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A
Electromagnetic radiation
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B
Sound waves
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C
Gravitational waves
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D
Dark matter
18
Which renewable energy source is indirectly linked to the rotation of the Earth and its interaction with the Sun's heat?
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A
Wind energy
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B
Nuclear energy
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C
Coal mining
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D
Petroleum extraction
