Stellar Evolution

Front

High-mass stars burn hotter & brighter because they have more _______ at their cores.

Back

fuel

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

Why do high-mass stars skip the helium flash stage that low-mass stars go through before dying?

Back

Once hydrogen is used up at the core the star explodes.

Front

When temperatures are high enough in the core of a high-mass star, this element starts to form: helium, carbon, oxygen, hydrogen.

Back

carbon

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

When fusion in low-mass stars form this element in its core, the helium flash stage begins.

Back

carbon

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

When an ______ core is reached in a high-mass star, gravity takes over. Options: iron, carbon, oxygen, helium

Back

iron

Tags

NGSS.HS-ESS1-3

Front

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

Back

supernova

Tags

NGSS.HS-ESS1-3

Front

Supernovas are one of the largest _______ in the Universe.

Back

explosions

Tags

NGSS.HS-ESS1-3

Front

Almost all stars form from nebulae at about the same time in _____ (clouds, galaxies, groups, clusters).

Back

clusters

Front

Which stars evolve and move off the main-sequence first? Options: Low-mass, Red giant, High-mass, White dwarf.

Back

High-mass

Tags

NGSS.HS-ESS1-3

Front

The dividing line between high & low-mass stellar evolution is called the

Back

main sequence turn off.

Tags

NGSS.HS-ESS1-3