Quiz on the Sun

The Sun's life is dependent on...

• The amount of sunlight it emits

• How long fusion can occur

• The distance from Earth

• The size of the solar system

The Sun is powered by...

• Chemical reactions

• Nuclear fusion

• Gravitational pull

• Solar panels

What is produced when two hydrogen atoms combine in nuclear fusion?

• Oxygen

• Helium

• Carbon

• Nitrogen

What is released when hydrogen atoms collide during nuclear fusion?

• Light

• Sound

• Energy

• Heat

What is the estimated life span of the Sun?

• 5 billion years

• 7 billion years

• 10 billion years

• 12 billion years

What is the temperature of the Sun's core?

• 15,000,000 degrees Celsius

• 1,000,000 degrees Celsius

• 5,000,000 degrees Celsius

• 10,000,000 degrees Celsius

What type of gas is found in the Sun's core?

• Plasma gas

• Oxygen gas

• Nitrogen gas

• Carbon dioxide gas

What happens when hydrogen atoms collide in the Sun's core?

• They form helium atoms and release radiation energy

• They form oxygen atoms

• They form carbon atoms

• They form nitrogen atoms

What is the temperature range of the Sun's radiative zone?

• 2,000,000 - 7,000,000 degrees Celsius

• 1,000,000 - 5,000,000 degrees Celsius

• 3,000,000 - 8,000,000 degrees Celsius

• 4,000,000 - 9,000,000 degrees Celsius

How do photons travel in the Sun's radiative zone?

• Via radiative diffusion

• Via convection

• Via conduction

• Via radiation