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The Sun and Its Properties

The Sun and Its Properties Quiz

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is the primary energy source of the Sun?

  1. Nuclear fusion
  2. Chemical reactions
  3. Gravitational collapse
  4. Radioactive decay
Question 2 Multiple Choice (Single Answer)

What is the Sun's surface temperature?

  1. 5,778 K
  2. 10,000 K
  3. 15,000 K
  4. 20,000 K
Question 3 Multiple Choice (Single Answer)

What is the Sun's core temperature?

  1. 15,000,000 K
  2. 25,000,000 K
  3. 35,000,000 K
  4. 45,000,000 K
Question 4 Multiple Choice (Single Answer)

What is the Sun's diameter?

  1. 1,392,000 km
  2. 1,496,000 km
  3. 1,599,000 km
  4. 1,699,000 km
Question 5 Multiple Choice (Single Answer)

What is the Sun's mass?

  1. 1.989 × 10^30 kg
  2. 2.989 × 10^30 kg
  3. 3.989 × 10^30 kg
  4. 4.989 × 10^30 kg
Question 6 Multiple Choice (Single Answer)

What is the Sun's luminosity?

  1. 3.846 × 10^26 W
  2. 4.846 × 10^26 W
  3. 5.846 × 10^26 W
  4. 6.846 × 10^26 W
Question 7 Multiple Choice (Single Answer)

What is the Sun's age?

  1. 4.6 billion years
  2. 5.6 billion years
  3. 6.6 billion years
  4. 7.6 billion years
Question 8 Multiple Choice (Single Answer)

What is the Sun's spectral class?

  1. G2V
  2. K2V
  3. M2V
  4. O2V
Question 9 Multiple Choice (Single Answer)

What is the Sun's rotation period?

  1. 25 days
  2. 35 days
  3. 45 days
  4. 55 days
Question 10 Multiple Choice (Single Answer)

What is the Sun's magnetic field?

  1. Dipolar
  2. Quadrupolar
  3. Octupolar
  4. Dodecapolar
Question 11 Multiple Choice (Single Answer)

What is the Sun's corona?

  1. The outermost layer of the Sun's atmosphere
  2. The layer below the Sun's photosphere
  3. The layer below the Sun's chromosphere
  4. The layer below the Sun's core
Question 12 Multiple Choice (Single Answer)

What is the Sun's chromosphere?

  1. The layer below the Sun's corona
  2. The layer below the Sun's photosphere
  3. The layer below the Sun's chromosphere
  4. The layer below the Sun's core
Question 13 Multiple Choice (Single Answer)

What is the Sun's photosphere?

  1. The layer below the Sun's corona
  2. The visible surface of the Sun
  3. The layer below the Sun's chromosphere
  4. The layer below the Sun's core
Question 14 Multiple Choice (Single Answer)

What are sunspots?

  1. Dark areas on the Sun's surface caused by lower temperatures
  2. Bright areas on the Sun's surface caused by higher temperatures
  3. Areas of intense magnetic activity on the Sun's surface
  4. Areas of low magnetic activity on the Sun's surface
Question 15 Multiple Choice (Single Answer)

What are solar flares?

  1. Sudden bursts of energy from the Sun's surface
  2. Sudden bursts of energy from the Sun's core
  3. Sudden bursts of energy from the Sun's chromosphere
  4. Sudden bursts of energy from the Sun's corona
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