Solar System Quiz

What is the sun primarily made of?

• Liquid lava

• Solid rock

• Hot plasma

• Ice

What percentage of the solar system's mass does the sun constitute?

• 50 percent

• 75 percent

• 98.8 percent

• 99.8 percent

What process generates the sun's heat?

• Chemical reactions

• Nuclear fusion reactions

• Friction

• Combustion

How long does it take for light from the Sun to reach Earth?

• 1 minute and 20 seconds

• 8 minutes and 20 seconds

• 50 minutes

• 50 years

What are the three layers of the Sun's atmosphere?

• Crust, mantle, core

• Photosphere, chromosphere, corona

• Troposphere, stratosphere, mesosphere

• Lithosphere, asthenosphere, outer core

What is a solar prominence?

• A dark spot on the Sun's surface

• A bright feature that extends outward from the Sun's surface

• A spacecraft sent to study the Sun

• The outermost part of the Earth's atmosphere

Which spacecraft is noted for orbiting the Sun for over 25 years?

• Hubble Space Telescope

• International Space Station

• Solar and Heliospheric Observatory (SOHO)

• Voyager 1

Which layer of the sun is the hottest?

• Photosphere

• Chromosphere

• Corona

• Core

What phenomenon occurs on the surface of the sun?

• Earthquakes

• Volcanic eruptions

• Sunspots, solar flares, and prominences

• Tornadoes