1 of 66
Term Definition
What are all stars, and c
everything essential, made
from?
Select one:
a. They were always there
b. Rocks
c. Nebula
d. Protostars
Give this one a try later!
True False
2 of 66
Term Definition
,Which color has the lowest c
frequency?
Select one:
a. Red
b. Yellow
c. White
d. Violet
Give this one a try later!
True False
Correct definition
a
3 of 66
Term Definition
Why is apparent brightness NOT
c
a good way to scientifically
compare stars?
Select one:
a. Because it does not take into
account individual differences in
people's eyesight
b. Because a star's apparent
brightness can change based
on the weather
,c. Because it only works in a
single location in space
d. Because it isn't a real thing
Give this one a try later!
True False
4 of 66
Term Definition
Which letter(s) show a star/stars b, c, d
that are undergoing hydrogen
fusion in the core?
Select one:
a. White Dwarfs
b. Left corner of Main Sequence
c. Middle of Main Sequence
d. Right corner of Main
Sequence
e. Giants
f. Supergiants
Give this one a try later!
True False
5 of 66
, Term Definition
Once a star is born, what will a
happen to it next on the HR
diagram?
Select one:
a. It could go in any direction
depending on its mass
b. It will move up and to the
right on the main sequence
c. It will move directly left
d. It will start creating a
planetary system
Give this one a try later!
True False
Correct definition
b
6 of 66
Term Definition
Which star(s) are orange? d,e
(check all that apply)
Select one or more:
a. A4, -2
Term Definition
What are all stars, and c
everything essential, made
from?
Select one:
a. They were always there
b. Rocks
c. Nebula
d. Protostars
Give this one a try later!
True False
2 of 66
Term Definition
,Which color has the lowest c
frequency?
Select one:
a. Red
b. Yellow
c. White
d. Violet
Give this one a try later!
True False
Correct definition
a
3 of 66
Term Definition
Why is apparent brightness NOT
c
a good way to scientifically
compare stars?
Select one:
a. Because it does not take into
account individual differences in
people's eyesight
b. Because a star's apparent
brightness can change based
on the weather
,c. Because it only works in a
single location in space
d. Because it isn't a real thing
Give this one a try later!
True False
4 of 66
Term Definition
Which letter(s) show a star/stars b, c, d
that are undergoing hydrogen
fusion in the core?
Select one:
a. White Dwarfs
b. Left corner of Main Sequence
c. Middle of Main Sequence
d. Right corner of Main
Sequence
e. Giants
f. Supergiants
Give this one a try later!
True False
5 of 66
, Term Definition
Once a star is born, what will a
happen to it next on the HR
diagram?
Select one:
a. It could go in any direction
depending on its mass
b. It will move up and to the
right on the main sequence
c. It will move directly left
d. It will start creating a
planetary system
Give this one a try later!
True False
Correct definition
b
6 of 66
Term Definition
Which star(s) are orange? d,e
(check all that apply)
Select one or more:
a. A4, -2
