Life Cycle of a Star

The stable period of a star’s life cycle is called... 

• The birth of a star
• Nebula 
• Neutron star
• Main Sequence 

Tags

NGSS.HS-ESS1-3

A star at the stage in its life cycle when it stops burning hydrogen, begins burning helium, and expands to a large, low-density star.
What stage in the life cycle does this describe? 

• Supernova
• Black Hole
• Main Sequence
• Red Giant or Red Supergiant

Tags

NGSS.HS-ESS1-3

In a large mass star, the temperature reaches more than 100 billion degrees. The repulsive forces between the iron nuclei explode the star’s mass into space in a ....

• Nebula
• Black Hole
• Supernova
• Neutron star

Tags

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

Larger stars (stars with more mass) have a longer life cycle. 

• True
• False

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

A relatively small, dense star at the end of its life cycle, which generates little or no energy and has contracted to its densest state.
What stage in the life cycle does this describe? 

• Black Hole
• Nebula
• White Dwarf
• Red Giant

A large cloud of gas and dust in outer space ejected by an aging star near the end of its life cycle.
What stage in the life cycle is this describing? 

• Main Sequence
• Planetary Nebula
• Black Hole
• Neutron Star

Tags

NGSS.HS-ESS1-3

what stage of the life cycle of a star is this?

• Planetary Nebula

• Black Hole

• Neutron Star

• Red Giant/Supergiant

What is a Nebula?

• A cloud of gas and dust

• A small, dim, hot star

• A large, bright, cool star

• A turkey

A young star that has just started the fusion of hydrogen is called a ____________________.

• Black Dwarf

• Red Giant

• Protostar

• Nebula

A burnt out white dwarf star is known as a __________________.

• Main Sequence Star

• Black Dwarf

• Red Giant

• Protostar