Stars and Stellar Evolution Review

When a star is born, which quality determines how long that star will spend on the Main Sequence?

• Mass

• Color

• Spectral Class

• Equilibrium

Which two qualities of a star are the MOST closely related? (ESRT - pg 4)

• Luminosity and Color

• Temperature and Color

• Mass and Color

• None of the Above

Which star would burn hydrogen the fastest?

• a low-mass star

• a high-mass star

• an average star

• a black hole

Tags

NGSS.HS-ESS1-1

When is a star in equilibrium?

• During the Nebula stage

• When a black hole is beginning to form

• When the forces of gravity and fusion are the same

• During a Supernova

Tags

NGSS.HS-ESS1-1

What force helps push a cloud of gas and dust together to eventually make a star?

• Magnetism

• Pressure

• Gravity

• Centrifugal Force

Tags

NGSS.HS-PS2-4

Which stars are the most likely to produce the heaviest elements?

• Low Mass stars

• Red Dwarfs

• High Mass stars

• All stars are capable

Tags

NGSS.HS-ESS1-3

This event occurs when high mass stars explode - sending heavy elements back into space

• A Black Hole

• A Supernova

• A Neutron Star

• A White Dwarf

Tags

NGSS.HS-ESS1-3

According to the HR Diagram (ESRT pg 4), as mass increases, _____________ also increases

• Luminosity

• Time spent on the Main sequence

• Nothing

According to the Life Cycle of Stars (ESRT - Page 5), what factor best determines whether a star will become a black hole or a white dwarf

• Color

• Temperature

• Mass

As an average sized star continues its life along the main sequence, which of the following is true?

• Hydrogen decreases as helium increases

• Iron decreases as helium increases

• Helium decreases as hydrogen increases

• Hydrogen and Helium remain equal

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3