Life Cycle of Stars

Where are protostars born?

• stellar nebula

• planetary nebula

• supernova

Which type of star will enter the supernova stage?

• average mass stars

• massive stars

• low mass star

What is the longest phase a star’s life cycle?

• supernova

• red giant

• main-sequence

Tags

NGSS.HS-ESS1-1

In which phase does an average sized star begin its death?

• white dwarf

• black hole

• planetary nebula

What determines the stages of a star’s life cycle?

• its mass

• its color

• its brightness

Tags

NGSS.HS-ESS1-1

What has a gravitational pull so strong that nothing, not even light, can escape?

• supernova     

• black hole

• red supergiant

Tags

NGSS.HS-PS2-4

Which gas is exhausted when stars enter the giant or supergiant phase?

• hydrogen

• helium

• neon

Tags

NGSS.HS-ESS1-3

What do stars that are more that 8 times more massive than the sun become after the main-sequence stage?

• red giant

• red supergiant

• planetary nebula

What is a star called before it can fuse hydrogen into helium?

• pulsar

• neutron star

• protostar

The sun is a main-sequence star.

• true

• false