WorksheetsHertzsprung-Russell Diagram
Total questions: 20
Worksheet time: 17mins
Name
Class
Date
1.
Which of the following best describes a star? A star is a celestial body ---
a)
composed of rock and metal with a very high density
b)
that is too big to be an asteroid, but too small to be a planet.
c)
that rotates on an axis and revolves around the Sun
d)
composed of gases that emit light due to nuclear reactions
2.
Based on this diagram which type of stars would belong to spectral class M and have the lowest luminosity?
a)
Main Sequence Stars
b)
Giants
c)
Super Giants
d)
White Dwarfs
3.
Use the Hertzsprung-Russell Diagram to answer the following question. Betelgeuse is a _____
a)
Hot and Bright Star
b)
Cool and Bright Star
c)
Hot and Dim Star
d)
Cool and Dim Star
4.
Use the Hertzsprung-Russell Diagram to answer the following question. Sirius B is a _____
a)
Hot and Bright Star
b)
Cool and Bright Star
c)
Hot and Dim Star
d)
Cool and Dim Star
5.
What are the three types of galaxies?
a)
Spiral, Elliptical, Ambiguous
b)
Whirlpool, Ellipse, Irregular
c)
Spiral, Elliptical, Irregular
d)
Swirly, Fuzzy, Uh...
6.
What is the name of the largest stars?
a)
Protostars
b)
Supergiants
c)
Red Giants
d)
Dwarf Stars
7.
Black holes are best described as:
a)
space fillers
b)
holes
c)
a place in space where gravity pulls so much even light can't get out
d)
gravity bombs
8.
Analyze this HR Diagram. Which group of stars is considered to have lower than average luminosity as well as a higher than average temperature?
a)
Giants
b)
Main Sequence
c)
White Dwarfs
d)
Super Giants
9.
Black holes can be found in the Universe. When examining a black hole with a special telescope, scientist determined that a specific black hole was emitting waves with a wavelength of 1.41x10-12 Hz. The special telescope most likely detects:
a)
microwaves
b)
visible light
c)
x-rays
d)
gamma rays
10.
Analyze this HR Diagram. Which group of stars is considered to have higher than average luminosity as well as a lower than average temperature?
a)
Giants
b)
Main Sequence
c)
White Dwarfs
d)
Super Giants
11.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
12.
Which of these observations of Proxima Centuri's Star is most likely accurate?
a)
Proxima Centuri's Star is less bright than the sun and has a surface temperature below 3,400 K
b)
Proxima Centuri's Star is less bright than the sun and has a surface temperature above 3,400 K
c)
Proxima Centuri's Star is brighter than the sun and has a surface temperature below 4,000 K
d)
Proxima Centuri's Star is brighter than the sun and has a surface temperature above 4,000 K
13.
Which star is considered a Main Sequence Star?
a)
A
b)
B
c)
C
d)
D
14.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
15.
Stars are formed in a large cloud of gas and dust called a
a)
cumulonimbus cloud
b)
nebula
c)
neutron star
d)
black hole
16.
On the H-R diagram, the Sun is a _____.
a)
Main Sequence star
b)
Red Giant
c)
White Dwarf
d)
Blue Giant
17.
the distance light travels in a year
a)
parallax
b)
absolute magnitude
c)
apparent magnitude
d)
light year
18.
Use the Hertzsprung-Russell Diagram to answer the following question. Spica is a _____
a)
Hot and Bright Star
b)
Cool and Bright Star
c)
Hot and Dim Star
d)
Cool and Dim Star
19.
True or FalseThe Earth's Sun is classified as a super giant star
a)
True
b)
False
20.
True or FalseThe Earth's Sun is classified as a main sequence star
a)
True
b)
False
100 %
