Life of a Star

Front

Low mass red dwarfs are classified as ____ -type stars.

Back

M

Tags

NGSS.HS-ESS1-3

Front

Why do most O & B -type stars only last a few million years before dying?

Back

These stars burn through their fuel very quickly due to size.

Tags

NGSS.HS-ESS1-3

Front

Which statement best describes M-type stars?

Back

almost all M-type stars ever born are still around

Tags

NGSS.HS-ESS1-3

Front

High-mass stars (O & B) die ____ while low-mass stars tend to go out ____.

Back

violently, gently

Tags

NGSS.HS-ESS1-3

Front

Medium-size stars (like our Sun & Alpha Centauri A) tend to

Back

go out or die in stages.

Tags

NGSS.HS-ESS1-1

Front

Core-hydrogen burning in a star refers to

Back

hydrogen fusing into helium providing an outward pressure.

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

The outward force of core-fusion balances the inward force of gravity. This is called ____.

Back

hydrostatic equilibrium

Tags

NGSS.HS-ESS1-1

Front

About how long does it take for a sun-like star to run out of fuel in its core?

Back

10 billion years

Tags

NGSS.HS-ESS1-1

Front

What happens to the core in a sun-like star after all the hydrogen is used up?

Back

it starts to expand

Tags

NGSS.HS-ESS1-1

Front

"Hydrogen-shell burning" refers to core

Back

expansion in a sun-like star to continue fusing hydrogen.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8