Life Cycle of Stars Review Questions

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

• White dwarf

• Red giant

• Supernova

• Stellar Nebula

Which process marks the birth of a star?

• Explosion of a supernova

• Gravitational collapse of a nebula

• Formation of a white dwarf

• Collision of galaxies

What is the final stage of a small to medium-sized star like our Sun? (Black dwarves are theoretical)

• White dwarf

• Red giant

• Black hole

• Neutron star

Tags

NGSS.HS-ESS1-3

What type of star is the Sun classified as?

• Red giant

• White dwarf

• Main sequence

• Supernova

What force is responsible for the formation of stars from a nebula?

• Magnetic force

• Gravitational force

• Nuclear force

• Frictional force

Which two properties are compared on the Hertzsprung-Russell diagram?

• Brightness and age

• Temperature and luminosity

• Size and distance

• Mass and density

What is a red giant?

• A young star with high luminosity

• A dying star that expands and cools

• A collapsed core of a massive star

• A dense star emitting radio waves

Tags

NGSS.HS-ESS1-3

Where are main sequence stars located on the Hertzsprung-Russell diagram?

• Upper left to lower right

• Upper right corner

• Lower left corner

• Center of the diagram

What happens to a star when it runs out of hydrogen fuel?

• It becomes a black hole immediately

• It collapses into a neutron star

• It swells into a red giant or red supergiant

• It explodes into a supernova

What determines if a star will end as a black hole or a white dwarf?

• Its temperature

• Its mass

• Its distance from Earth

• Its position in the galaxy