stellar evolution

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

• fusion

• fuel

• energy

• pressure

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

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

• helium

• carbon

• oxygen

• hydrogen

Tags

NGSS.HS-ESS1-3

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

• helium

• carbon

• oxygen

• hydrogen

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

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

• Nebula

• Supernova

• Main Sequence

• Dwarf

What is the most common type of star?

• Supergiant

• Main Sequence

• Red Giant

• White Dwarf

What type of star is the Sun?

• Supergiant

• Red Giant

• Main Sequence

• White Dwarf

A blue star has a temperature between:

• 20,000K - 30,000K

• 10,000K - 11,000K

• 20K - 30K

• 3,000K - 4,000K

What is a nebula?

• It is what a medium mass star will eventually become

• A cloud of gas and dust in outer space

• It is what is at the center of a black hole

What is a red giant?

• It is what happens when a star begins fusing helium into carbon.

• It is a star on the main sequence of the HR diagram.

• It is a star that has died and is no longer fusing any material.

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