Understanding the Sun

What is the sun primarily made of?

• Silicon and Magnesium

• Hydrogen and Helium

• Iron and Nickel

• Carbon and Oxygen

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

• About 10 minutes

• About 12 minutes

• About 5 minutes

• About 8 minutes and 19 seconds

What is the sun's core primarily responsible for?

• Generating sunspots

• Nuclear fusion reactions

• Creating solar flares

• Producing solar wind

What is the sun's visible surface called?

• Chromosphere

• Corona

• Convective Zone

• Photosphere

What is the process called that converts sunlight into energy in plants?

• Photosynthesis

• Respiration

• Evaporation

• Condensation

What is the sun's outermost layer called?

• Photosphere

• Core

• Corona

• Radiative Zone

What is the sun's rotation period?

• Between 25 and 35 days

• Between 10 and 20 days

• Between 40 and 50 days

• Between 5 and 15 days

What is the sun's classification as a star?

• Yellow Dwarf

• Blue Giant

• White Dwarf

• Red Giant

What phenomenon occurs when the sun's magnetic fields reverse?

• Solar Wind

• Solar Cycle

• Solar Flare

• Sunspot

What is the main cause of solar wind?

• Sunspots

• Nuclear fusion in the core

• Coronal mass ejections

• Escape of particles from the corona