Here are 10 one-word answer type questions on The Sun, along with their answers and explanations:
1. What is the primary source of energy for the Earth?
Answer: Sun
Explanation: The Sun provides heat and light, making life possible on Earth .
2. What type of star is the Sun?
Answer: Yellow Dwarf
Explanation: The Sun is a yellow dwarf star, a medium-sized star in the Milky Way galaxy .
3. What is the process that produces energy in the Sun?
Answer: Nuclear Fusion
Explanation: The Sun generates energy through nuclear fusion, where hydrogen atoms combine to form helium .
4. Which layer of the Sun is visible to us?
Answer: Photosphere
Explanation: The photosphere is the outer layer of the Sun that emits light and is visible to the naked eye .
5. Which gas is most abundant in the Sun?
Answer: Hydrogen
Explanation: The Sun is primarily composed of hydrogen, which fuels nuclear fusion reactions .
6. What is the outermost layer of the Sun’s atmosphere called?
Answer: Corona
Explanation: The corona is the Sun’s outermost layer, visible during a solar eclipse as a glowing halo .
7. Which phenomenon occurs when the Moon blocks sunlight from reaching Earth?
Answer: Solar Eclipse
Explanation: A solar eclipse happens when the Moon passes between the Earth and the Sun, blocking its light .
8. What is the stream of charged particles released from the Sun called?
Answer: Solar Wind
Explanation: The solar wind consists of charged particles continuously emitted by the Sun into space .
9. What is the term for sudden explosions on the Sun’s surface that release energy?
Answer: Solar Flare
Explanation: A solar flare is a sudden burst of energy from the Sun’s surface, affecting space weather .
10. What percentage of the solar system’s mass is contained in the Sun?
Answer: 99.8%
Explanation: The Sun holds about 99.8% of the total mass of the solar system, making it the dominant celestial body .
These questions cover fundamental concepts about the Sun, its structure, energy production, and its impact on Earth and the solar system.