Life Cycle of a Star Assessment

Inside a nebula are regions where gravity pulls together gas and dust into a

• protostar

• nebula

• main sequence

• white dwarf

A star is born when nuclear

• measuring

• heating

• fusion

• fission

Stars spend most of their life in the phase.

• nebula

• red giant

• main sequence

• white dwarf

What phase is our sun in?

• red giant

• supernova

• main sequence

• white dwarf

The of a star determines what happens when it leaves main sequence.

• black dwarf

• nebula

• main sequence

• mass

is the last stage in a low-mass star's life when it no longer emits heat or light.

• Black Dwarf

• Nebula

• Main Sequence

• White Dwarf

An interstellar medium is a thinly spread area of gas and dust. Which of the following elements are found in the gas and dust of the interstellar medium? Choose TWO correct answers.

• oxygen

• hydrogen

• carbon

• silicon

• helium

What is the first stage in the life of a star?

• White Dwarf

• Supernova

• Protostar

• Red Giant

What happens to a star after the main sequence phase if it's a high mass star?

• It becomes a White Dwarf

• It becomes a Supernova

• It becomes a Red Giant

• It becomes a Black Dwarf

What is the final stage in the life of a high mass star?

• Black Hole

• White Dwarf

• Red Giant

• Supernova