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WorksheetsEM Spectrum, Light Years, Big Bang and Galaxies
Total questions: 90
Worksheet time: 22mins
Name
Class
Date
1.
An interstellar cloud of dust and gases that serves as a location for the formation of new stars is -
a)
an asteroid belt
b)
a star system
c)
a galaxy
d)
a nebula
2.
A scale diagram of four galaxies is provided. Which galaxy has a diameter closest to 75,000 light years?
a)
Galaxy JK23
b)
Galaxy TO37
c)
Galaxy RB17
d)
Galaxy WD28
3.
To express the distance between the Milky Way galaxy and the Andromeda galaxy, the most appropriate unit of measure is the -
a)
miles
b)
kilometer
c)
light year
d)
astronomical unit
4.
Proxima Centauri is the closest star to Earth after the Sun and is located 4.3 light years away from Earth. How long does it take light from Proxima Centauri to reach Earth?
a)
1 year
b)
4.3 years
c)
43 years
d)
10 trillion years
5.
How many of the stars visible in the night sky are closer to Earth than to the Sun?
a)
All of them
b)
None of them
c)
About half
d)
Only one
6.
The illustration provided shows four locations in or near the Milky Way Galaxy. Which of the labeled locations shows the approximate position of the Sun?
a)
W
b)
X
c)
Y
d)
Z
7.
The stars and all the other matter in a galaxy are held together by which of the following?
a)
Dark matter
b)
Inertia
c)
Gravity
d)
Magnetism
8.
Galaxies are classified into all of the following types by their shapes EXCEPT -
a)
spiral
b)
elliptical
c)
irregular
d)
crescent
9.
Composed of millions of stars as well as interstellar gas and dust -
a)
Galaxies
b)
Star
c)
Nebulae
d)
Black holes
10.
A characteristic of a nebula is that it -
a)
is at the center of the solar system
b)
is a region where stars are born
c)
forms halfway through a star's life cycle
d)
has the coolest temperature in space
11.
Which of the following is an accurate description of the relationship between components of the universe?
a)
Stars always contain galaxies
b)
Galaxies contain many stars
c)
Stars contain several nebulae
d)
Nebulae contain many galaxies
12.
A system of stars, gas, dust, and dark matter bound together by gravity is called -
a)
an asteroid
b)
a nebula
c)
a galaxy
d)
a moon
13.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Orbital
14.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Orbital
15.
What type of galaxy has no defined pattern or shape?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Orbital
16.
What are galaxies held together by?
a)
Gravitational Attraction
b)
Stars
c)
Other galaxies
d)
Dust and Gas
17.
What are the the 3 types of galaxies?
a)
Spiral, Regular, and Elliptical
b)
Spiral, Irregular, and Elliptical
c)
Orbital, Elliptical, and Spiral
d)
Irregular, Spiral, and Regular
18.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Regular
19.
The type of galaxy that is mainly composed of older stars.
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Orbital
20.
Place these objects in order from smallest to largest.
a)
Universe, galaxy cluster, planets
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
21.
What are in galaxies?
a)
ice and rock
b)
dust, gas, and stars
c)
stars and ice
d)
water and dust
22.
A galaxy is a large collection of stars, gas and dust. What is responsible for holding the stars, gas, and dust together in a galaxy?
a)
heat
b)
light
c)
gravity
d)
friction
23.
The Milky Way galaxy is an example of an irregular galaxy
a)
true
b)
false
24.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Orbital
25.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Orbital
26.
Which of the following is the largest?
a)
star
b)
universe
c)
cluster
d)
galaxy
27.
What is a large spherical body that orbits a star?
a)
Meteorite
b)
Black hole
c)
Planet
d)
Nebula
28.
Space and all the matter and energy in it is...
a)
Universe
b)
Galaxy
c)
Solar System
d)
Ecosystem
29.
Where is our solar system located within the Milky Way galaxy?
a)
in the center
b)
on the outer edge of an arm
30.
Which portion of the electromagnetic spectrum includes the entire range of light that can be detected by the human eye?
a)
ultraviolet light
b)
visible light
c)
infrared light
d)
x-rays
31.
If the wavelength of an electromagnetic wave is longer, what is true about the energy?
a)
Energy is higher.
b)
Energy is lower.
c)
Energy is not dependent on wavelength.
32.
Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even cancer?
a)
infrared light
b)
visible light
c)
ultraviolet light
d)
microwaves
33.
Which of the following electromagnetic waves has the highest energy?
a)
radio waves
b)
microwaves
c)
infrared light
d)
visible light
34.
Which of the following electromagnetic waves has the lowest energy?
a)
infrared light
b)
visible light
c)
ultraviolet light
d)
x-rays
35.
Which is the correct order of waves of the electromagnetic spectrum, from lowest energy to highest energy?
a)
radio waves, microwaves, infrared waves, visible light, ultraviolet light, x-rays, gamma rays
b)
gamma rays, x-rays, ultraviolet light, visible light, infrared light, microwaves, radio waves
36.
What is the weakest type of radiation?
a)
Visible light
b)
Ultraviolet
c)
Gamma
d)
Radio
37.
Cell phones, televisions and radios use __________ __________.
a)
radio waves
b)
TV waves
c)
Gamma waves
d)
phone radiation
38.
What type of electromagnetic radiation has the smallest wavelength out of the choices below?
a)
Radio aves
b)
X-ray
c)
Gamma Rays
d)
Infrared
39.
What are the hazards associated with radio waves?
a)
None
b)
Harmful to humans
c)
Burn skin
d)
Cause cancer
40.
What part of the EM is used to detect forged banknotes?
a)
Infrared Radiation
b)
Ultraviolet
c)
Visible Light
d)
Gamma Rays
41.
Which of the following has the shortest wavelength?
a)
Infrared Radiation
b)
Microwaves
c)
X-rays
d)
Radiowaves
42.
Which part of the EM spectrum is used to kill cancer cells?
a)
Radiowaves
b)
Microwaves
c)
Ultraviolet
d)
Gamma rays
43.
What does "spectrum" mean?
a)
a range
b)
a score
c)
a light
d)
a sound
44.
What are electromagnetic waves?
a)
sound waves
b)
electric & magnetic fields that travel through space very quickly
c)
types of mechanical waves
d)
things like longitudinal waves
45.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
46.
Select the correct order of waves on the EMS (think of the acronym!)
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Visible, Infra, Micro, Radio
c)
Visible, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Visible, Infra, Ultra, X-ray, Gamma
47.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
48.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
49.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
50.
Put the visible light colors in order from longest wavelength to shortest wavelength
a)
Violet, Indigo, Blue, Green, Orange, Yellow, Red
b)
Red, Yellow, Green, Orange, Violet, Blue, Indigo
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
51.
Which of the following electromagnetic waves is given off as heat?
a)
Radio Waves
b)
Infrared Rays
c)
Visible Light
d)
Gamma Rays
52.
Identify the part of the wave at point 1.
a)
wavelength
b)
crest
c)
amplitude
d)
equilibrium
53.
Which part of the wave is labeled Z?
a)
Crest
b)
Trough
c)
Height
d)
Frequency
54.
Which part of the wave is labeled X?
a)
Trough
b)
Crest
c)
Amplitude
d)
Wavelength
55.
Which part of the wave is labeled X?
a)
Frequency
b)
Amplitude
c)
Wavelength
d)
Trough
56.
Which wave has the greatest amplitude?
a)
A
b)
B
c)
C
d)
D
57.
The wavelength is represented by which letter?
a)
A
b)
B
c)
C
d)
D
58.
The wave crest is represented by which letter?
a)
A
b)
B
c)
C
d)
E
59.
The wave trough is represented by
a)
A
b)
B
c)
C
d)
D
60.
The amplitude of a wave is given by what letter?
a)
A
b)
B
c)
C
d)
D
61.
The type of waves that require medium to pass?
a)
Mechanical Waves
b)
Electromagnetic Waves
62.
What is transferred through a wave?
a)
Light
b)
Energy
c)
Water
d)
Air
63.
What is measured from one wave crest to another wave crest or trough to trough?
a)
wavelength
b)
wave speed
c)
amplitude
d)
equilibrium
64.
According to the Big Bang Theory how old is the universe?
a)
Thousands of years.
b)
Millions of years.
c)
Billions of years.
d)
Eternal.
65.
In relation to us, most galaxies are…
a)
Moving toward us
b)
Moving away from us
c)
Orbiting us
d)
Stationary
66.
The change in wavelength of light or sound that is due to the relative motion of the source towards or away from an observer.
a)
Radar Effect
b)
Doppler Effect
c)
Light Effect
d)
Reflection
67.
What does the Big Bang theory suggest?
a)
The universe was just there
b)
The Milky Way is the only solar system
c)
The universe is continually expanding
d)
The universe started as a point and is moving towards each other
68.
The "afterglow" of the energy from the origin of the universe that we see today.
a)
Cosmic radiation
b)
Emission from the Sun
c)
Doppler effect
d)
Cosmic explosions
69.
Who discovered that the galaxies were moving away from one another?
a)
Edwin Hubble
b)
Issac Newton
c)
Albert Einstein
d)
Galileo Galile
70.
What was the first element to form within the universe?
a)
Hydrogen
b)
Helium
c)
Carbon
d)
Oxygen
71.
Galaxies that are moving away from us are ___ shifting?
a)
red
b)
blue
c)
yellow
d)
green
72.
The Big Bang was a what?
a)
explosion
b)
unknown
c)
expansion
d)
contraction
73.
What were the original two elements in our universe?
a)
Lithium and Carbon
b)
Hydrogen and Neon
c)
Helium and Chlorine
d)
Hydrogen and Helium
74.
Particles of light are known as what?
a)
atoms
b)
waves
c)
photons
d)
cells
75.
Galaxies that move closer to us show a what shift?
a)
Red Shift
b)
Green Shift
c)
Orange Shift
d)
Blue Shift
76.
Red wavelengths have the __________ frequencies and __________ wavelengths of all the colors in the visible light spectrum.
a)
highest, longest
b)
lowest, shortest
c)
highest, shortest
d)
lowest, longest
77.
Distance measurement used by astronomers for distant objects in spae.
a)
Kilometers
b)
Light Years
c)
Miles
d)
Light seconds
78.
Blue wavelengths have the __________ frequency and ___________ wavelengths of all the colors in the visible light spectrum.
a)
highest, shortest
b)
highest, longest
c)
lowest, shortest
d)
lowest, longest
79.
What was the universe like after the Big Bang?
a)
Cool and Thin
b)
Only two dimensional
c)
Flat and Freezing
d)
Hot and Dense
80.
Scientists think that the universe will...
a)
end someday.
b)
eventually shrink.
c)
expand forever.
d)
expand and shrink on a regular basis.
81.
The Big Bang Theory explains the formation of the -
a)
Earth
b)
Sun
c)
Universe
d)
Solar System
82.
Before the Big Bang, where was all the matter and energy contained?
a)
Inside the sun
b)
In a single point
c)
It was invisible
d)
Under a rock
83.
Right after the big bang, what happened to all the matter and energy?
a)
It spread out in all directions
b)
It evaporated
c)
it shot forward in a straight beam
d)
It oozed slowly along a flat plane
84.
It takes 8.9 years for light produced on Carinae V602 to reach the sun. If Star X is 30 times as far from the sun as Carinae V602 is, how far is Star X from the sun, to the nearest light year?
a)
267
b)
5358
c)
632
d)
68
85.
Scientist use Light years to measure objects in space rather than units such as Miles or Kilometers because of how massive the Galaxy and Universe is.
a)
True
b)
False
86.
A light year is...
a)
The speed light travels
b)
How long it takes light to get to you from the sun
c)
The distance light can travel in a year
d)
How many years it takes light to be emitted
87.
Light Years are a measure of:
a)
time
b)
speed
c)
distance
d)
light
88.
The longer the wavelength the _________ the frequency.
a)
Lower
b)
Higher
89.
Waves with high frequency have a ________ wavelength.
a)
long
b)
short
90.
The shortest wavelength in visible light is ________.
a)
violet
b)
red
c)
blue
d)
yellow
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