Star Life Cycles

Our sun is currently in what star stage?

• Protostar
• Nebula
• Main Sequence
• Red Giant

Tags

NGSS.HS-ESS1-1

A gigantic explosion that causes the death of a large star is called

• pulsar
• red giant 
• supernova
• black hole

A ________ is an object so dense with so much gravity that even light cannot escape.

• neutron star

• white dwarf

• black hole

• black dwarf

Tags

NGSS.HS-PS2-4

How many stars are there in our solar system

• 1

• 1 billion

• 1 million

• 100

All stars begin their life in a

• Main Sequence
• Nebula
• Vacuum
• Black Dwarf

Most stars are made of which elements?

• Hydrogen only
• Hydrogen and Lithium
• Hydrogen and Sodium
• Hydrogen and Helium

Tags

NGSS.HS-ESS1-3

After the main sequence, a low mass star becomes a

• black dwarf
• protostar
• red giant
• supergiant

Tags

NGSS.HS-ESS1-3

After the main sequence, a high mass star becomes a

• black dwarf
• protostar
• red giant
• supergiant

Tags

NGSS.HS-ESS1-3

When a nebula heats up, a "baby" star forms in the middle. It is called a

• supernova
• supergiant
• white dwarf
• protostar

The only force acting on the nebulae is:

• thermal expansion

• singularities

• gravity

• microscopic adhesion

Tags

NGSS.HS-PS2-4