Characteristics of the Universe Review!

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

All stars begin their life in a

• Main Sequence
• Nebula
• Protostar
• Black Dwarf

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What are the final two stages of a medium mass star?

• white dwarf - black dwarf
• neutron star - black hole
• supernova - neutron star
• pulsar - neutron star

Tags

NGSS.HS-ESS1-3

The life cycles of stars are determined by their:

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

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Our sun is currently in what star stage?

• Protostar
• Nebula
• Main Sequence
• Red Giant

Tags

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

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

The star that appears brightest to us on Earth is

• the Sun
• Sirius
• Polaris

The hottest stars are

• red
• yellow
• blue
• white