The Sun: Our Star

What is the primary composition of the Sun?

• Hydrogen and helium

• Oxygen and nitrogen

• Carbon and oxygen

• Iron and nickel

How long does it take for the Sun's energy to reach Earth?

• Just over eight minutes

• About one hour

• Approximately one day

• A few seconds

What is the outermost layer of the Sun's atmosphere called?

• Corona

• Photosphere

• Chromosphere

• Radiative zone

What occurs in the core of the Sun?

• Nuclear fusion

• Solar wind generation

• Magnetic field creation

• Sunspot formation

Tags

NGSS.HS-ESS1-1

What is the duration of the Sun's solar cycle?

• 11 years

• 5 years

• 20 years

• 50 years