Stars form from

• Other stars colliding

• Other stars exploding

• Collapsing gas clouds

• Collapsing dust clouds

The first stage any star will go through is

• Red giant

• Horizontal branch

• Asymptotic giant branch

• Main sequence

Tags

NGSS.HS-ESS1-3

What element do main sequence stars use for fuel?

• Hydrogen

• Helium

• Lithium

• Beryllium

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Main sequence stars fuse:

• Hydrogen into helium

• Helium into nitrogen

• Helium into carbon

• Neon into oxygen

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

In a red giant, fusion occurs in:

• The core

• A shell

• A shell and the core

• Neither a shell nor the core

Tags

NGSS.HS-PS1-8

The names "main sequence", "horizontal branch", and "asymptotic giant branch" come from

• Branches of the star family tree

• The H-R diagram

• An outdated classification system we don't use anymore

• Annie Jump Cannon's notebook

Which of these is not a fusion process in stars?

• Hydrogen to helium

• Helium to carbon

• Carbon to nitrogen

• Silicon to iron

Tags

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

What is the last fusion product any star can produce?

• Oxygen

• Helium

• Iron

• Europium

Tags

NGSS.HS-ESS1-3

What determines how long a star will live?

• Its chemical composition

• Its mass

• Its surface temperature

• Its size

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What determines how many different fusion products a star will eventually produce?

• Its chemical composition

• Its mass

• Its surface temperature

• Its size

Tags

NGSS.HS-ESS1-3

NGSS.HS-PS1-8