Stellar Evolution Review

When an iron core is reached, gravity takes over and a(n) _________ occurs.

• black hole

• neutron star

• explosion

• supernova

Tags

NGSS.HS-ESS1-3

Supernovas are one of the largest _______ in the Universe.

• events

• stars

• explosions

• objects

Tags

NGSS.HS-ESS1-3

_____ stars evolve and move off the main-sequence first; then intermediate stars & so on.

• Low-mass

• Red giant

• High-mass

• White dwarf

Tags

NGSS.HS-ESS1-3

Low-mass stars like our Sun will never explode.

• True

• False

Tags

NGSS.HS-ESS1-1

What is the name of the cloud that a star is formed in?

• Nebula / Stellar Nursery

• Supernova

• Main Sequence

• Dwarf

Tags

NGSS.HS-ESS1-3

When a Red Giant runs out of fuel, it ends as a:

• Supernova

• Nebula

• White Dwarf

• Main Sequence Star

A small White Dwarf has a diameter similar to:

• The Sun

• The Earth

• The Moon

• A basketball

Tags

NGSS.MS-ESS1-3

What is a protostar?

• A star that has died

• A smaller than average star

• A big, blue star that is on the main sequence of the HR diagram

• A contracting mass of gas which represents an early stage in the formation of a star

Tags

NGSS.HS-ESS1-3

What is fusion?

• It is the measure of brightness of a star.

• The process of merging atoms together to create energy.

• It is the process of analyzing stars for what atoms they contain.

• It is a description of how massive a star is.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What is a supernova?

• The measure of brightness of a star.

• Something that only low mass stars can do.

• A star that explodes, creating a great amount of light and energy.

Tags

NGSS.HS-ESS1-3