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WorksheetsThe Universe Revision
Total questions: 40
Worksheet time: 40mins
Name
Class
Date
1.
Most scientists believe the Big Bang Theory explains which of the following questions?
a)
How our planets and moons formed
b)
How our universe began
c)
How the sun turns hydrogen into helium
d)
How fast light travels through space
2.
Which statement is true?
a)
The galaxies are moving toward us.
b)
The galaxies are moving away from us.
c)
The universe remains static or unchanged in motion.
d)
None of the above
3.
Light emitted from a star or galaxy can be separated into a band of colors, called a ________.
a)
Red Shift
b)
Wave Length
c)
Spectrum
d)
Microwave
4.
As galaxies move away from our galaxy
a shift on the electromagnetic spectrum
(EMS) is noticed. This phenomena is
called _____________.
a)
redshift
b)
blueshift
c)
unshift
d)
blackshift
5.
How does the abundance of hydrogen and helium support the Big Bang Theory.
a)
Hydrogen and helium are elements on the Periodic Table
b)
Hydrogen and helium are in the same ratio throughout the universe.
c)
Hydrogen and helium have many current uses today
6.
Our theory of the universe was confirmed by the discovery of:
a)
fusion.
b)
cosmic microwave background radiation.
c)
the Andromeda galaxy.
d)
the Doppler effect.
7.
The universe is expanding! This means that:
a)
all of the galaxies are spreading out.
b)
the universe must have started from a single point.
c)
the universe is cooling down.
d)
all of the above.
8.
How long does it take light from our Sun to reach Earth?
a)
3 seconds
b)
8 minutes
c)
57 hours
d)
1 year
9.
Spectroscopes can tell us all of these about except...
a)
Temperature of a star
b)
Elements that make up a star
c)
Age of a star
d)
Size of a star
10.
According to the Big Bang Theory, which graph best represents the relationship between time and the size of the universe from the beginning of the universe to the present?
a)
Size decreasing as time increases
b)
Size and time both increasing
c)
Size does not change as time increases
d)
Size increases, then decreases as time increases
11.
Which of the following is NOT evidence of the Big Bang Theory?
a)
Abundance of Hydrogen and Helium
b)
CMBR everywhere
c)
Stars that are blue shifted
d)
the universe is getting bigger
12.
Which of the following statements best summarizes the presence of matter in the universe?
a)
There are more metal elements in the universe than nonmetals.
b)
All elements exist in an equal amount throughout the universe.
c)
There are more heavy elements than light elements.
d)
There are more light elements than heavy elements.
13.
Which statement best describes the age of our solar system and universe?
a)
Our solar system and the universe are estimated to be 5 billion years old.
b)
Our solar system and the universe are estimated to be 10 billion years old.
c)
Our solar system is at least twice as old as the universe.
d)
The universe is roughly 13.7 billion years old.
14.
Which of the following is NOT true about the Big Bang Theory?
a)
It is the scientific explanation of how life began on Earth and evolved over time.
b)
It is the scientific explanation for the origin of the universe.
c)
It states that the universe expanded from a single point and is still expanding today.
d)
It states that the universe used to be much hotter and smaller.
15.
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 stars life cycle is this describing?
What stage in a stars life cycle is this describing?
a)
The birth of a star
b)
The death of a star
c)
Black Hole
d)
Stellar Nebula
16.
Hotter stars appear to be what color?
a)
Red
b)
Blue
c)
Yellow
d)
Green
17.
Cooler stars appear to be what color?
a)
Red
b)
Blue
c)
Yellow
d)
Green
18.
What determines the color of a star?
a)
It's size
b)
It's temperature
c)
It's composition
d)
They are all the same color
19.
What fuel do stars use?
a)
Oxygen
b)
Hydrogen
c)
Carbon
d)
Iron
20.
In a large mass star, the temperature reaches more than 100 billion degrees. The repulsive forces between the iron nuclei explode the star’s mass into space in a ....
a)
Nebula
b)
Black Hole
c)
Supernova
d)
Neutron star
21.
Larger stars (stars with more mass) have a longer life cycle.
a)
True
b)
False
22.
A relatively small, dense star at the end of its life cycle, which generates little or no energy and has contracted to its densest state.
What stage in the life cycle does this describe?
What stage in the life cycle does this describe?
a)
Black Hole
b)
Nebula
c)
White Dwarf
d)
Red Giant
23.
At what stage in a stars life cycle are elements heavier than iron form?
a)
Red Giant
b)
Supernova
c)
Black Hole
d)
Main Sequence
24.
A large cloud of gas and dust in outer space ejected by an aging star near the end of its life cycle.
What stage in the life cycle is this describing?
What stage in the life cycle is this describing?
a)
Main Sequence
b)
Planetary Nebula
c)
Black Hole
d)
Neutron Star
25.
The remains from its supernova will form a rapidly spinning, highly magnetic star called a...
a)
Neutron star
b)
Black Hole
c)
White Dwarf
d)
Supernova
26.
What stage of the life cycle of a star is this?
a)
Main Sequence
b)
Red Giant
c)
Black Hole
d)
Neutron star
27.
In the death of a large mass star gravitational collapse is so complete that no energy or matter can escape. This is called a...
a)
Neutron Star
b)
Black Hole
c)
Black Dwarf
d)
Supernova
28.
What stage in a stars life cycle is this?
a)
Main Sequence
b)
Planetary Nebula
c)
Supernova
d)
Neutron Star
29.
This is an image of the formation of a star, also known as a ....
a)
Main Sequence
b)
Planetary Nebula
c)
Supernova
d)
Stellar Nebula
30.
All stars begin their life as a
a)
Main Sequence
b)
Nebula
c)
Protostar
d)
Black Dwarf
31.
The life cycles of stars are determined by their:
a)
mass (size)
b)
color
c)
distance from Earth
d)
luminosity
32.
Our sun is currently in what star stage?
a)
Protostar
b)
Nebula
c)
Main Sequence
d)
Red Giant
33.
______ is a force that causes dust particles to stick together in a nebula.
a)
nuclear fusion
b)
gravity
c)
hydrogen
d)
friction
34.
A gigantic explosion that causes the death of a large star is called
a)
pulsar
b)
red giant
c)
supernova
d)
black hole
35.
A ________ is an object so dense with so much gravity that even light cannot escape.
a)
neutron star
b)
white dwarf
c)
blackhole
d)
black dwarf
36.
The core of a Red Giant collapses and becomes a ___________________.
a)
White Dwarf
b)
Blue Supergiant
c)
Red Supergiant
d)
Black Hole
37.
The stage after the main sequence star:
a)
red giant
b)
nebula
c)
white dwarf
d)
black dwarf
38.
Black hole ends life of the biggest stars in the universe
a)
true
b)
false
39.
Supernova happens after
a)
super red giant
b)
nebula
c)
protostar
d)
white dwarf
40.
In this stage, a star spends most of its life. Hydrogen is fused into helium at a temperature of millions of degrees.
a)
nebula
b)
protostar
c)
main-sequence
d)
supergiant
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