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The Sun forms
  • 1. What is the primary source of energy for the Earth?
A) The Sun
B) Fossil Fuels
C) Wind
D) The Moon
  • 2. What process powers the Sun?
A) Nuclear Fission
B) Nuclear Fusion
C) Gravity
D) Chemical Reaction
  • 3. What layer of the Sun's atmosphere is visible during a solar eclipse?
A) Corona
B) Chromosphere
C) Convection Zone
D) Photosphere
  • 4. What is the name of the cycle that affects solar activity over an 11-year period?
A) Lunar Cycle
B) Solar Cycle
C) Seasonal Cycle
D) Decadal Cycle
  • 5. How long does it take for light from the Sun to reach the Earth?
A) About 2 hours
B) About 1 day
C) About 1 week
D) About 8 minutes
  • 6. What is the Sun mostly composed of?
A) Oxygen and Carbon
B) Hydrogen and Helium
C) Iron and Nickel
D) Nitrogen and Sulfur
  • 7. What is the layer just below the Sun's surface called?
A) Photosphere
B) Chromosphere
C) Convective Zone
D) Corona
  • 8. Which planet in our solar system is closest to the Sun?
A) Mercury
B) Venus
C) Mars
D) Jupiter
  • 9. What is the name of the prominences that extend from the Sun's surface into space?
A) Asteroids
B) Meteoroids
C) Comets
D) Solar Flares
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