WorksheetsUniverse
Total questions: 37
Worksheet time: 32mins
Name
Class
Date
1.
About how long ago do scientists believe the universe began?
a)
13-14 billion years ago
b)
13-14 million years ago
c)
12-13 billion years ago
d)
12-13 million years ago
2.
Why is the light from distant galaxies red-shifted?
a)
They produce more red light than nearby galaxies
b)
They are moving away from us
c)
The longer wavelengths are filtered out more by dust
d)
They are moving toward us
3.
What do the initial moments after the Big Bang have in common with the universe as it exists now?
a)
all the stars, galaxies, and planets that exist today were formed just a few moments after the Big Bang
b)
The universe back then could not sustain life, and it cannot sustain life now
c)
the universe was extremely hot then, and it is still extremely hot not
d)
the universe began expanding then, and it is still expanding today
4.
If an object is moving toward us, its spectrum will experience
a)
no shift
b)
red shift
c)
black spectrum
d)
blue shift
5.
The existence of the cosmic background radiation implies that
a)
the big bang model is wrong.
b)
the universe began in a hot, dense state.
c)
the universe did not have a moment of creation.
d)
the universe began in a cold, low-density state.
6.
The big bang was a what?
a)
explosion
b)
unknown
c)
expansion
d)
contraction
7.
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
8.
The "afterglow" of the energy from the origin of the universe that we see today.
a)
Cosmic radiation
b)
sunlight
c)
Doppler effect
d)
Cosmic explosions
9.
Who first beleived in the Big Bang Theory?
a)
Gallileo
b)
Nicolaus Copernicus
c)
Georges Lemaître
d)
Kepler
10.
Inside a singularity we find what type of conditions?
a)
Infinite density
b)
Infinite heat
c)
An infinitesimally small diameter
d)
All of these
11.
The universe is mostly made up of
a)
dark matter
b)
stars
c)
dust
d)
empty space
12.
Are any of the galaxies moving towards Earth? Explain.
a)
A. It is redshifted
b)
B. It is redshifted.
c)
C. It is blue shifted.
d)
A. It is blueshifted.
13.
What is the universe made up of?
a)
energy
b)
matter; dark matter
c)
spacetime
d)
all of the above
14.
The universe's eventual fate could be
a)
ever expanding - too much mass
b)
expand and then collapse - not enough mass
c)
expand and remain a size - just enough mass
d)
all of the above
15.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
16.
The most commonly accepted theory that explains the beginning of our known universe is the -
a)
Theory of Evolution
b)
Big Bang Theory
c)
Cell Theory
d)
Blackhole theory
17.
Galaxies that are moving away from us are _ shifting?
a)
red
b)
blue
c)
yellow
d)
green
18.
Stars are formed in a cloud of gas and dust called a -
a)
nebula
b)
black hole
c)
white dwarf
d)
Super Giant
19.
Blue stars are the _____________.
a)
hottest
b)
coolest
c)
smallest
d)
most awesome
20.
Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?
sort of cool, dim (not too much light), and red?
a)
Betelguse
b)
Sirius B
c)
Procyon B
d)
Barnard's star
21.
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 are.
a)
True
b)
False
22.
Which of the following star remnants is the least massive?
a)
White Dwarf
b)
Neuton Star
c)
Black Hole
23.
Which of the following is the largest?
a)
star
b)
universe
c)
cluster
d)
galaxy
24.
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
d)
the largest in the universe
25.
Gravity pulls gases and dust particles in space toward one another, squeezing them into a smaller and smaller space. The temperature at the center rises high enough for nuclear fusion of hydrogen to begin.
What stage in a star's life cycle is this describing?
What stage in a star's life cycle is this describing?
a)
The birth of a star
b)
The death of a star
c)
Black Hole
d)
Stellar Nebula
26.
The big bang theory explains the...
a)
life cycle of a star
b)
seasons of the earth
c)
origin of the universe
d)
Sheldon...just sheldon
27.
Light Years are a measure of -
a)
time
b)
speed
c)
distance
d)
light
28.
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
29.
What are electromagnetic waves?
a)
sound waves
b)
energy that travels through space very quickly
c)
the best ones for surfing
d)
things like longitudinal waves
30.
All waves carry
a)
energy
b)
light
c)
matter
d)
particles
31.
In relation to us, most galaxies are…
a)
moving toward us
b)
moving away from us
c)
not moving
d)
much smaller
32.
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, expanded, and will return to a point
33.
What stage comes directly before the "main sequence" in the life cycle of star?
a)
Cloud of Gas
b)
Red giant
c)
Protostar
d)
Shell of Gas
34.
What process takes place inside a star to generate energy?
a)
Nuclear fission
b)
Hydrogen Creation
c)
Nuclear fusion
d)
Helium forming
35.
Gravity is the force objects put on each other because of their ______.
a)
mass
b)
friendliness
c)
acceleration
d)
speed
36.
________ holds all of the planets in orbit around the sun.
a)
Gravity
b)
String
c)
Bill Nye
d)
Duct tape
37.
In the diagram given, what happens as we move to the left?
a)
Stars get larger
b)
Stars get colder
c)
Stars get hotter
d)
Stars get smaller
100 %
