Sun and Stars

The nearest star to Earth is

• Proxima Centauri

• The Sun

• Sirius

• Betelguese

What makes a star?

• a fire starts inside the core

• being on tv

• it gives off light

• it fuses hydrogen inside the core

The minimum temperature for fusion to take place in the core of a star is

• 10 million K

• 100 million K

• 1,000 K

• 100,000 K

Where does the sun's energy come from?

• wood is burning inside

• mass becomes energy

• geothermal energy

• nuclear fission

The sun is

• one of the smallest stars

• not a star

• larger than 90% of stars

• going to become a black hole

The sun

• revolves around Earth

• revolves around the Moon

• is smaller than Jupiter

• rotates

The sun has

• 99.6% of the mass of our solar system

• 110% of the mass of our solar system

• a mass that is 50% of Jupiter

• 1% of the mass of our solar system

At the end of its life the sun will

• get much larger and become a red giant then smaller and become a white dwarf

• go supernova

• become a neutron star

• become a black hole

Everything in our solar system revolves around

• Jupiter

• the Moon

• Halley's Comet

• The Sun

The sun will create

• all the elements

• hydrogen, helium, carbon, and oxygen

• all the elements up to iron

• only hydrogen