What is the main source of energy for the Sun?
The Sun

Quiz
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Science
•
9th Grade
•
Easy
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Nuclear fusion is the main source of energy for the Sun.
Chemical reactions in the Sun's core.
Gravitational contraction of the Sun.
Solar wind interactions with Earth.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What are sunspots?
Sunspots are temporary phenomena on the Sun's photosphere that appear as spots darker than the surrounding areas.
Sunspots are permanent features on the Sun's surface that emit more light than the surrounding areas.
Sunspots are regions on the Sun that are cooler and have a higher concentration of solar flares.
Sunspots are clouds of gas that form around the Sun and block its light.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the corona of the Sun?
The innermost layer of the Sun's atmosphere.
The outermost layer of the Sun's atmosphere, visible during a total solar eclipse.
A type of solar flare that occurs on the Sun's surface.
The core of the Sun where nuclear fusion takes place.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the significance of the Sun's gravitational pull?
It causes solar flares and sunspots.
It keeps the planets in orbit around it.
It influences the Earth's weather patterns.
It creates the solar wind that affects space travel.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the result of nuclear fusion in terms of energy?
Nuclear fusion releases a significant amount of energy.
Nuclear fusion absorbs energy from the surroundings.
Nuclear fusion produces no energy at all.
Nuclear fusion only releases energy in small amounts.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What process occurs when hydrogen nuclei fuse to form helium nuclei?
Nuclear fission
Nuclear fusion
Radioactive decay
Chemical reaction
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is a solar eclipse?
A solar eclipse occurs when the Earth passes between the Moon and the Sun, blocking the Sun's light.
A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light.
A solar eclipse occurs when the Sun passes between the Earth and the Moon, blocking the Moon's light.
A solar eclipse occurs when the Moon reflects sunlight onto the Earth.
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