WorksheetsGizmos - Star Spectra Lab Quiz
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Why does the spectrum of a star contain dark lines?
a)
It absorbs certain wavelengths of light
b)
It emits certain wavelengths of light
c)
Certain wavelengths of light are missing
d)
Those wavelengths do not exist
2.
Who devised the Harvard Classification System to classify stars?
a)
Annie Jump Cannon
b)
Galileo Galeli
c)
Albert Einstein
d)
Edward Pickering
3.
How would you classify Star #1?
a)
A
b)
B
c)
F
d)
K
4.
How would you classify Star #4?
a)
A
b)
F
c)
K
d)
M
5.
What color is a Class M star?
a)
red
b)
black
c)
orange
d)
yellow
6.
The Sun is classified as class G. What is most likely its surface temperature?
a)
about 5,000 K
b)
about 25,000 K
c)
about 3,000 K
d)
about 11,000 K
7.
What COLOR would star #5 be?
a)
Red
b)
Orange
c)
Yellow
d)
Blue
8.
What elements are found in star #8?
a)
Calcium and Helium
b)
Calcium and Iron
c)
Iron and Sodium
d)
Hydrogen and Helium
9.
Which star is the HOTTEST?
4 lines
10.
What does it mean when the spectral lines are redshifted?
a)
Lines are shifted towards the red end of spectrum; the star is moving away.
b)
Lines are shifted towards the red end of the spectrum, the star is approaching
c)
Line are shifted towards the blue end of the spectrum, the star is moving away
d)
Lines are shifted towards the blue end of the spectrum, the star is approaching
11.
Pairs of stars that orbit each other are known as...
a)
binary stars
b)
giant stars
c)
spectral stars
d)
nebula
12.
The cephid variable means...
a)
stars change brightness
b)
stars change size
c)
stars change orbit
d)
stars change color
13.
What color is star #9?
a)
yellow
b)
white
c)
red
d)
orange
14.
Which star is most likely a nebula?
a)
1
b)
3
c)
5
d)
7
15.
Which elements are found in star #10?
a)
argon and mercury
b)
helium and iron
c)
sodium and calcium
d)
calcium and hydrogen
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