Stars

Fill in the blank: A star's life cycle is based on their _________.

• mass

• color

• temperature

• distance

Fill in the blank: A protostar is a young star in the early stages of formation where nuclear fusion begins, producing _______ and _______.

• light and heat

• water and oxygen

• carbon and nitrogen

• helium and hydrogen

A dead star that no longer gives off light or heat is called a ____.

• Black Dwarf

• Red Giant

• Neutron Star

• White Dwarf

After the main sequence stage, stars with an extremely high mass go through which stage first?

• A) Black Hole

• B) Red Supergiant

• C) Supernova

What determines a star's life cycle?

Which of the following is a stage in the life cycle of an average mass star?

• A) Red Supergiant

• B) Black Hole

• C) White Dwarf

• D) Neutron Star

What is the final stage of a high mass star's life cycle?

What characteristic of a star determines its life cycle?

• Temperature

• Mass

• Color

• Brightness

Why do you think massive stars have a shorter life cycle than average mass stars?

• Because they burn their fuel more quickly.

• Because they have less fuel to burn.

• Because they are closer to other stars.

• Because they are further from the galactic center.

What are the final stages in the life cycle of the Sun?

• Red Giant, White Dwarf, Black Dwarf

• Supernova, Neutron Star, Black Hole

• Main Sequence, Red Supergiant, Black Hole

• Protostar, Main Sequence, Red Giant