BrainPOP Quiz - Life Cycle of Stars - Modified

Which term best describes a stellar nursery?

• A flaming ball of gas

• A cloud of gas and dust

In the movie, Tim refers to baby stars as "protostars." What can you infer about the prefix "proto-?"

• It means "infinite" or "everlasting."

  
  

• It means "first" or "before."

Place the following stages in the life of a low-mass star, like the sun, in order: A) Red giant; B) White dwarf; C) Main sequence star

• C, A, B

• A, C, B

Which of the following describes the process of nuclear fusion, as it occurs inside our sun?

• Water molecules break apart into hydrogen and oxygen atoms.

  
  

• Hydrogen atoms combine to make helium atoms.

What effect does gravity have on stars?

• It helps break helium atoms apart inside of stars
  

• It forms stars from clouds of gas and dust, and causes them to ignite

What is a supernova?

• A type of black hole

• The explosion of a large star.

• An incredibly dense but small star.

How does a white dwarf compare to our sun as it exists now?

• It has a similar mass, but is much denser.

  
  

• It has a larger mass, but is less dense.

What will a star that's 1,000 times as massive as the sun ultimately become?

• A white dwarf
  

• A red giant

• A planetary nebula

How is a neutron star different from a regular star?

• It burns brighter than a galaxy with a billion stars

• It has an almost infinite density.

The sun is a star?

• True

• /False