Solar System and the Sun Quiz-Sun 101

What is the Sun primarily made of?

• Carbon

• Nitrogen

• Oxygen

• Hydrogen

What process in the Sun releases an enormous amount of energy?

• Nuclear fission

• Radioactive decay

• Thermonuclear fusion

• Chemical reaction

What is the temperature in the core of the Sun?

• 100 million degrees Fahrenheit

• 10 million degrees Fahrenheit

• 50 million degrees Fahrenheit

• 27 million degrees Fahrenheit

What is the Sun's magnetic field called?

• Heliosphere

• Magnetosphere

• Corona

• Aurora

What will the Sun eventually collapse into at the end of its life?

• Neutron star

• White dwarf

• Red giant

• Black hole

What is the Sun's size compared to Earth?

• 200 times wider

• 500 times wider

• 100 times wider

• 50 times wider

What protects the planets from harmful cosmic radiation in the solar system?

• Solar wind

• Gravitational force

• Atmosphere

• Magnetic field

What causes dark areas called sunspots on the Sun's surface?

• Strong pockets of magnetism

• Cosmic rays

• Solar flares

• Planetary alignment

What will happen to the Sun in about 6.5 billion years?

• It will turn into a black hole

• It will explode

• It will expand and collapse into a white dwarf

• It will become a red giant

What is the Sun's fuel primarily composed of?

• Nitrogen

• Carbon

• Hydrogen

• Helium