Life Cycle of Stars and Galaxies

All stars begin their life in a

• Main Sequence
• Nebula
• Protostar
• Black Dwarf

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

At 10,000 degrees Celsius, hydrogen begins to change into helium and energy is released in a process called

• supernova
• pulsar
• nuclear fusion
• nuclear fission

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

The life cycles of stars are determined by their:

• mass (size)
• color
• distance from Earth
• luminosity

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

______ is a force that causes dust particles to stick together in a nebula.

• nuclear fusion
• gravity
• hydrogen
• friction

Tags

NGSS.MS-ESS1-2

Most stars are made of which elements?

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

Tags

NGSS.HS-ESS1-3

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
• blackhole
• black dwarf

Tags

NGSS.HS-PS2-4

Stars are formed from big clouds of gas and dust is known as a ______. 

• clouds grande
• BCOG's
• neutron clouds
• nebulae

A star is born when ________________ begins to happen.

• nuclear fusion
• nuclear abrasion
• crying
• nuclear fission

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Larger, cooler stars are called ___________.

• Blue Giants
• White Dwarfs
• Red Giants
• Yellow Giants