Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Star Formation
Test Description: Answer review questions about stars.
Instructions: Answer all questions to get your test result.
1) Approximately how old is the Sun?
A
10.2 billion years
B
1.4 billion years
C
4.6 billion years
D
2.1 billion years
2) What is the secondmost abundant element in the universe?
A
Fe
B
C
C
He
D
H
3) What round object is formed when gas and dust are pulled together by gravity, but before nuclear fusion has begun?
A
nebula
B
giant molecular cloud
C
star
D
protostar
4) What round object is formed when gas and dust are pulled together by gravity, but before nuclear fusion has begun?
A
giant molecular cloud
B
protostar
C
star
D
nebula
5) When does a star reach equilibrium?
A
When it no longer produces any antimatter
B
when it reaches the point where nuclear fusion is about to begin
C
when the amount of hydrogen equals the amount of helium
D
when gravity is balanced by the outward force of nuclear fusion
6) A ___________ is a massive ball of hot gas (plasma) that creates its own energy via nuclear fusion
A
giant molecular cloud
B
protostar
C
nebula
D
star
7) In nuclear fusion reaction, the mass of the products is less than the mass of the reactants. What happens to this "missing mass"
A
It turns into energy
B
It turns into matter
C
It turns into matter and antimatter
D
It turns into antimatter
8) What do most stars originally form as?
A
binary stars or multiple stars
B
photon stars
C
protostars
D
neutron stars
9) What is the most abundant element in the universe?
A
Fe
B
C
C
He
D
H
10) Stars are born, they go through changes, and then they ________.
A
die
B
are reborn
C
shrink
D
grow
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?