Solar Activity and Volcanic Eruptions Quiz

Question 1

What is the approximate core temperature of the Sun?

Accepted Answer

15 million degrees Celsius

Answer

25 million degrees Celsius

Answer

10 million degrees Celsius

Answer

5 million degrees Celsius

Question 2

What is the approximate surface temperature of the Sun?

Accepted Answer

5,500 degrees Kelvin

Answer

10,000 degrees Kelvin

Answer

3,500 degrees Kelvin

Answer

8,000 degrees Kelvin

Question 3

What is the ratio of the Sun's mass to Earth's mass?

Accepted Answer

333,000 times

Answer

500,000 times

Answer

100,000 times

Answer

200,000 times

Question 4

What is the outermost layer of the Sun called?

Accepted Answer

Corona

Answer

Zone

Answer

Photosphere

Answer

Chromosphere

Question 5

How long does it take Earth to complete one orbit around the Sun?

Accepted Answer

365.25 days

Answer

360 days

Answer

350 days

Answer

400 days

Question 6

How many times is the Sun's diameter compared to Earth's diameter?

Accepted Answer

109 times

Answer

50 times

Answer

200 times

Answer

75 times

Question 7

What type of geological structure are volcanoes associated with?

Accepted Answer

Tectonic plate boundaries

Answer

Mountain ranges

Answer

Continental shelf

Answer

Ocean trenches

Question 8

Which is the world's most active volcano?

Accepted Answer

Kilauea

Answer

Mount Vesuvius

Answer

Mount Etna

Answer

Mount Merapi

Question 9

What is the primary gas component released during a volcanic eruption?

Accepted Answer

Water vapor

Answer

Carbon dioxide

Answer

Nitrogen

Answer

Sulfur dioxide

Question 10

What is the cycle period for the variation in the number of sunspots?

Accepted Answer

11 years

Answer

15 years

Answer

22 years

Answer

7 years

Solar Activity and Volcanic Eruptions

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