Stars 1
Stars 2
100
The Sun is a ball of...
A. gas
B. plasma
C. liquid
B. plasma
100
Which color of stars shine for the longest time?
A. red stars
B. yellow/white stars
C. blue stars
A. red stars
200
How old is the Sun?
A. 13 billion years old
B. 4 billion years old
C. 1.5 billion years old
B. 4 billion years old
200
This machine uses...
A. UV
B. microwave
C. infrared
B. microwave
300
When a star explodes, it's called a...
A. superfusion
B. supernova
C. superstar
D. super saiyan
B. supernova
300
The Sun is very hot because of...
A. nuclear bomb
B. nuclear fission
C. nuclear fusion
C. nuclear fusion
400
H + H = ?
A. C
B. H2O
C. He
D. Hunter X Hunter
C. He
400
What percentage (%) of stars are red dwarfs?
A. 25%
B. 50%
C. 75%
D. 100%
C. 75%
