Life Cycle Of A Star / Worksheet

24 July 2022
4.7 (114 reviews)
13 test answers

Unlock all answers in this set

Unlock answers (9)
question
Nebula
Nebula
answer
All stars start as a Nebula . Is a large cloud of gas and dust.
question
Protostar
Protostar
answer
Gravity pul some of the gas and dust in a nebula together . The contracting cloud is called protostar
question
When a star is born
When a star is born
answer
A star is born when the gas and dust from a nebula become so hot that nuclear fusion stars .
question
Main sequence star
answer
Once the star has "turn on"
question
When a main sequence star begins to run out of hydrogen fuel
answer
the star becomes a RED GIANT or a RED SUPER GIANT
question
Sequence stages for a Star' life
Sequence stages for a Star' life
answer
1) star stars out as diffused clouds of gas and dust (NEBULA) 2) The force of gravity pulls a nebula together forming clumps called PROTOSTARS 3) Heat and pressure build in the core of the PROTOSTAR until nuclear fusion takes place 4) Hydrogen atoms are fused together generating an enormous amount of energy igniting the star causing it to shine 5) The stars begins to run out fuel and expands into RED GIANT or RED SUPER GIANT. 6) What happens next depend on the mass of the star
question
Nebula
answer
a large cloud of gas and dust in space
question
protostar
answer
the earliest stage of a star's life
question
White dwarf
answer
star left at the core of a planetary nebula
question
Supernova
answer
a red super giant star explodes
question
neutron star
answer
the remains of a high mass star
question
black dwarf
answer
what a medium-mass star becomes at the end of its life
question
black hole
answer
exerts such strong gravitational pull that no light escapes