Life Cycle of Stars Class Practice

Front

What is the sun made out of?

Back

Hot glowing or burning gases

Front

What is a very large star of high luminosity and low surface temperature, thought to be in a late stage of evolution when no hydrogen remains in the core to fuel nuclear fusion?

Back

Red giant

Front

What are stars that are fusing hydrogen atoms to form helium atoms in their cores?

Back

Main sequence star

Front

What is the intrinsic brightness of a celestial object?

Back

Luminosity

Front

Which characteristics best describe white dwarfs as compared to giants?

Back

White dwarfs are warmer and dimmer than giants.

Front

What is the life cycle stage of a star after it has exhausted its hydrogen fuel?

Back

Red giant stage

Front

What is the process called when stars fuse hydrogen into helium?

Back

Nuclear fusion

Front

What is the final stage of a star's life cycle, characterized by a small, dense remnant?

Back

White dwarf

Front

What term describes a cloud of gas and dust in space where stars are born?

Back

Nebula

Front

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

Back

Protostar