Life Cycle of a star

Multiple Choice

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

• Expansion into a red giant
• Collapse into a white dwarf
• Formation of a protostar
• Ignition of a main sequence star

Multiple Choice

Which process powers a star during its main sequence stage?

• Gravitational collapse
• Nuclear fission
• Solar wind
• Nuclear fusion

Multiple Choice

1. 
   What happens to a star when it exhausts its nuclear fuel during the main sequence stage?

• Becomes a red giant
• Remains the same size
• Becomes a white dwarf
• Turns into a black hole

Multiple Choice

1. What is the fate of a low to medium-mass star, like our Sun, after the red giant stage?

• Forms a black hole
• Forms a planetary nebula and leaves behind a white dwarf
• Becomes a red dwarf
• Transforms into a neutron star

Multiple Choice

What is a white dwarf?

• A white dwarf is a planet with extreme weather conditions.
• A white dwarf is a type of cloud formation in the sky.
• A white dwarf is a small, dense star that is the remnant of a low to medium mass star that has exhausted all its nuclear fuel.
• A white dwarf is a large, bright star at the end of its life cycle.

Multiple Choice

What happens to a high-mass star after the red supergiant stage?

• Black hole formation
• White dwarf stage
• Neutron star formation
• Supernova explosion

Multiple Choice

What is a supernova?

• A supernova is a type of asteroid.
• A supernova is a type of black hole.
• A supernova is a powerful and luminous stellar explosion.
• A supernova is a type of comet.

Multiple Choice

What can result from the collapse of a high-mass star?

• Neutron star

• White dwarf

• Red giant

• Black hole

Multiple Choice

Which of the following is NOT a stage in the life cycle of a star?

• Photosynthesis
• Germination
• Fusion
• Respiration

Multiple Choice

What determines the fate of a star after its main sequence stage?

• Color
• Mass
• Temperature
• Distance