The Sun Quiz

What is the temperature of the Sun's photosphere?

• 15 million K

• 3,000–4,500K

• 10 million K

• 5,780K

What is the main process that produces energy in the Sun's core?

• Radioactive decay

• Chemical reaction

• Nuclear fusion

• Nuclear fission

What is the primary component of the Sun's mass?

• Carbon

• Hydrogen

• Helium

• Oxygen

What is the primary mechanism by which the Sun's corona is heated?

• Chemical reaction

• Radioactive decay

• Magnetic field induction

• Convection

What is the name of the stream of charged particles released from the Sun's upper atmosphere?

• Sunspot

• Coronal mass ejection

• Solar wind

• Solar flare

What is the primary cause of sunspots on the Sun's photosphere?

• Solar flares

• Coronal mass ejections

• Convection currents

• Magnetic field flux

What is the temperature range of the Sun's chromosphere?

• 4,500–6,000K

• 10,000–15,000K

• 1 million K

• 100,000K

What is the primary cause of auroras near the Earth's poles?

• Solar wind

• Sunspots

• Coronal mass ejections

• Solar flares

What is the primary factor that determines the solar cycle?

• Sunspot activity

• Coronal mass ejections

• Chromosphere temperature

• Solar flares

What is the primary effect of solar flares on Earth's communication?

• Improvement

• Enhancement

• No effect

• Disruption