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WorksheetsUnit 7 Test Review
Total questions: 45
Worksheet time: 50mins
Name
Class
Date
1.
The blue section of the wave is measuring _________________.
a)
wavelength
b)
crest
c)
trough
d)
amplitude
2.
The acronym (letters) used to remember visible light is____________
a)
KTPERRY
b)
ROYGBIV
c)
DOGPOUND
d)
ROMERO
3.
_____________________light is the only type of EM wave detected by the human eye.
a)
Red
b)
Gamma
c)
Microwave
d)
Visible
4.
All electromagnetic waves have _________ wavelengths and ________ frequencies.
a)
different, similar
b)
different, different
c)
similar, similar
d)
similar, different
5.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
6.
The distance between two crests or two troughs of a wave is called:
a)
frequency
b)
amplitud
c)
wavelength
d)
hertz
7.
A large cloud of gas and dust in interstellar space; the predecessor to stars...
a)
Constellation
b)
Black hole
c)
Nebula
d)
Galaxy
8.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
9.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
10.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
11.
Compared to the rest of the stars, our sun is considered...
a)
Extremely Large and Cold
b)
Small with a medium temperature
c)
Medium size with medium temperature
12.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
13.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
14.
Galaxies are composed of (best answer)
a)
stars
b)
stars and gas
c)
stars, dust, and gas
d)
stars, dust, and gas held together by gravity
15.
Our galaxy is called the
a)
Earth Nebula
b)
The Hubble Galaxy
c)
The Milky Way
d)
The Snickers
16.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
17.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
18.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
19.
Place these objects in order from smallest to largest.
a)
Planets, solar system, universe, galaxy
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
20.
Which electromagnetic waves have the shortest wavelength and the highest frequencies?
a)
gamma rays
b)
x-rays
c)
radio waves
d)
ultraviolet rays
21.
Electromagnetic waves that you can see are called ___________.
a)
infrared rays
b)
x-rays
c)
microwaves
d)
visible light rays
22.
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
23.
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
24.
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
25.
What are the three types of galaxies?
a)
Spiral, Elliptical, Ambiguous
b)
Whirlpool, Ellipse, Irregular
c)
Spiral, Elliptical, Irregular
d)
Swirly, Fuzzy, Uh...
26.
What is the name of the largest stars?
a)
Protostars
b)
Supergiants
c)
Red Giants
d)
Dwarf Stars
27.
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
28.
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
29.
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
30.
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
31.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
32.
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
33.
Which star is considered a Main Sequence Star?
a)
A
b)
B
c)
C
d)
D
34.
Stars are formed in a large cloud of gas and dust called a
a)
cumulonimbus cloud
b)
nebula
c)
neutron star
d)
black hole
35.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
36.
On the H-R diagram, the Sun is a _____.
a)
Main Sequence star
b)
Red Giant
c)
White Dwarf
d)
Blue Giant
37.
the distance light travels in a year
a)
parallax
b)
absolute magnitude
c)
apparent magnitude
d)
light year
38.
True or FalseThe Earth's Sun is classified as a super giant star
a)
True
b)
False
39.
True or FalseThe Earth's Sun is classified as a main sequence star
a)
True
b)
False
40.
Energy that can travel through space in the form of waves is __________________radiation.
a)
x-ray
b)
wavelength
c)
electromagnetic
d)
spectrum
41.
A star's surface temperature and its _____________ are directly related.
a)
color
b)
brightness
c)
age
d)
spectrum
42.
a graph relating the surface temperatures and absolute brightnesses of stars.
a)
Hubble's law
b)
star graph
c)
Hertzsprung-Russell diagram
d)
scientific notation
43.
What is the definition of luminosity?
a)
The darkness of a star
b)
The color of the star
c)
The shape of the star
d)
The brightness of a star
44.
Which category holds the most stars?
a)
White Dwarfs
b)
Super Giants
c)
Main Sequence
d)
Giants
45.
What does the HR-Diagram NOT tell us?
a)
Size of star
b)
Color of star
c)
Location of star
d)
Magnitude of star
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