White Dwarfs

What is nuclear fusion?

• Combining pairs of heavy elements together

• A reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and/or subatomic particles.

• A nuclear reaction in which the nucleus of an atom splits into smaller, lighter nuclei.

• None of the above

What is a White Dwarf?

• A baby star, it will eventually grow and turn into a shining star.

• The remaining core of a star after it runs out of fuel.

• The corpse of a dead star

• A planet similar to Dwarf Planets

A star is born when ________________ begins to happen.

• nuclear fusion

• nuclear abrasion

• The force of creating a white dwarf burning nearby cores

• nuclear fission

A white dwarf is the final stage for _________ mass stars like our Sun.

• small/medium
• large
• super massive

Which type of stars fuse Helium and other heavy elements?

• Main Sequence

• White Dwarfs

• Red Dwarfs

• Red Giants

The path a star takes during its life cycle depends entirely on its _____.

• temperature

• luminosity

• mass

• location

What happens when a White Dwarf runs out of heat?

• It will become a Black Dwarf

• It will create a Planetary Nebula

• It will create so much force and attract enough gravity to make an explosion as big as the Big Bang

• Nothing

About what percentage of stars become White Dwarfs?

• 87%

• 95%

• 96%

• 97%

When our Sun runs out of fuel, it will become a

• Black Hole

• Red Dwarf

• Red Giant

• Neutron Star