What is a Star?

What is a star primarily made of? Fill in the blank: A star is made up mostly of ______ and ______.

• hydrogen and helium

• carbon and oxygen

• nitrogen and oxygen

• iron and silicon

What holds a star together?

• Electromagnetic force

• Gravity

• Nuclear force

• Friction

A star’s life begins in a nebulae: ________.

• stellar nursery

• cosmic meltdown

• galactic furnace

• celestial graveyard

Gas and dust begin to clump together to form a ________.

• nebula

• galaxy

• asteroid

• comet

As the star continues to get older it becomes a ________.

• star

• planet

• galaxy

• comet

What is the main sequence stage of a star's life cycle?

• Protostar

• Main sequence

• Red giant

• White dwarf

As a star continues to grow older and starts to die, it can become 1 of 3 things: White Dwarf, Neutron Star, or Black Hole.

• White Dwarf, Neutron Star, Black Hole

• Supernova, White Dwarf, Black Hole

• Neutron Star, White Dwarf, Black Hole

• Red Giant, Supernova, Neutron Star

White Dwarf: ________.

• a stellar remnant

• a type of main sequence star

• a black hole precursor

• a giant star

Neutron Star: ________.

• remnant of a supernova

• a type of black hole

• a planet

• a comet

Black Hole: ________.

• a region in space where the gravitational pull is so strong that nothing, including light, can escape

• a type of galaxy that emits visible light

• a star that has exploded in a supernova

• a white dwarf remnant of a star