The Sun Quiz

What's the classification of the Sun as a star?

• Green star

• Blue star

• Yellow star

• Red star

What are stars made of?

• Oxygen and nitrogen

• Hydrogen and helium

• Carbon and sulfur

• Iron and copper

How does the Sun generate heat?

• Through nuclear fusion reactions

• By releasing stored energy

• By burning coal

• By absorbing heat from other stars

How long ago was the Sun created?

• 6.3 billion years ago

• 4.6 billion years ago

• 2.5 billion years ago

• 8.9 billion years ago

How was the Solar System created?

• By a volcanic eruption

• By a supernova explosion

• By a collision of planets

• By a black hole formation

What's the distance from the Sun to the Earth?

• 120,000,000 km

• 93,000,000 km

• 150,000,000 km

• 180,000,000 km

What are the two main components of the Sun?

• Oxygen and helium

• Hydrogen and helium

• Nitrogen and carbon

• Carbon and helium

What's the form of energy from the Sun?

• Electromagnetic radiation

• Nuclear energy

• Chemical energy

• Mechanical energy

Which is the hottest Sun layer?

• Radiative zone

• Photosphere

• Core

• Convective zone

What is the estimated age of the Sun?

• 6.3 billion years ago

• 4.6 billion years ago

• 2.5 billion years ago

• 8.9 billion years ago