The Sun

What is the core of the Sun primarily made of?

• Hydrogen

• Helium

• Iron

• Oxygen

What process occurs in the Sun’s core?

• Nuclear fusion

• Photosynthesis

• Radiation

• Convection

Which part of the Sun is the hottest?

• The Core

• The Photosphere

• The Surface

• The Convective Zone

How long does it take for light to travel from the Sun’s core to its surface?

• About 8 minutes

• About 100,000 years

• About 1 hour

• About 10 days

What happens in the Sun’s convection zone?

• Hot gases rise to the surface

• Cold gases sink to the center

• Heat is transferred by radiation

• Light is created

What are solar flares?

• Sudden bursts of energy from the Sun

• Gases escaping from the Sun

• Storms that occur on Earth

• The movement of sunspots

Which part of the Sun is visible from Earth?

• The Core

• The Convective Zone

• The Photosphere

• The Corona

What is the function of the Sun’s magnetic field?

• To create solar winds

• To protect Earth from radiation

• To regulate the Sun’s temperature

• To create sunspots

What do sunspots represent?

• Areas of the Sun with lower temperatures

• Areas of the Sun with higher temperatures

• Locations of solar flares

• Regions where solar wind is created

How does the Sun’s energy affect Earth?

• It creates weather patterns

• It causes volcanic eruptions

• It helps plants grow through photosynthesis

• It prevents the Earth from freezing