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WorksheetsWarm-Up: Star Spectra
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
What gases are in the unknown mixture?
a)
Gas B & Gas D
b)
Gas C & Gas B
c)
Gas A & Gas D
d)
Gas D & Gas C
2.
This unknown star contains
a)
beryllium
b)
copper
c)
manganese
d)
strontium
3.
What is red shift?
a)
When a star collapses.
b)
Galaxies and stars are moving away from us.
c)
A very luminous burst of radiation
d)
When the sun collapses.
4.
Choose all that apply. A star's spectra tells us what about a star.
a)
composition of that star (what elements make up that star)
b)
movement of a star (red shift or blue shift)
c)
brightness of a star
d)
temperatures of a star
5.
If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
6.
Use the image to identify the motion of the object relative to Earth. Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
7.
We primarily use emission/absorption spectra to identify ____________ of stars.
a)
composition
b)
temperature
c)
luminosity
d)
frankfurter
8.
Which elements are in the mixture?
a)
A only
b)
D only
c)
Z only
d)
A and D
e)
D and Z
9.
Which elements are present in the mixture?
a)
D and E
b)
D and G
c)
E and G
d)
only D
e)
only G
10.
By studying the spectra of stars, scientists were able to see redshifting, indicating the universe is ____________
a)
shrinking
b)
expanding
c)
not moving
d)
static
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