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WorksheetsCh 18 Test
Total questions: 71
Worksheet time: 3hrs 46mins
Name
Class
Date
1.
One light year is a...
a)
A length of time
b)
A distance
c)
A galaxy
d)
A measure of gravity
2.
How many stars are in an average sized galaxy?
a)
Hundreds
b)
Thousands
c)
Millions
d)
Billions
3.
How many galaxies are in the known universe?
a)
Hundreds
b)
Thousands
c)
Millions
d)
Billions
4.
Our galaxy is a ________ galaxy.
a)
Irregular
b)
Elliptical
c)
Spiral
d)
Twirl
5.
Our Galaxy is called the
a)
Mily Galaxy
b)
Milky Way Galaxy
c)
Andromeda Galaxy
d)
Pinwheel Galaxy
6.
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
7.
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
8.
If an object is moving toward us, its spectrum will experience
a)
no shift
b)
red shift
c)
black spectrum
d)
blue shift
9.
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
10.
What are in galaxies?
a)
ice and rock
b)
dust, gas, and star
c)
stars and ice
d)
water and dust
11.
What is not a galaxy?
a)
Optical Galaxy
b)
Spiral Galaxy
c)
Elliptical Galaxy
d)
Irregular Galaxy
12.
Which of the following is the largest?
a)
star
b)
universe
c)
cluter
d)
galaxy
13.
The Milky Way galaxy is an example of an irregular galaxy
a)
true
b)
false
14.
What color is the hottest color of star?
a)
Blue
b)
red
c)
purple
d)
Black
15.
Copernicus's contribution was
a)
the planets move in an elliptical orbit rather than circular
b)
Copernium laws of motion
c)
the heliocentric system and arrangement of planets
d)
argued that not all celestial bodies rotate around the earth.
16.
How many stars do we have in our solar system?
a)
1
b)
Millions
c)
it is impossible to know
d)
5
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.
Why won't our sun ever become a black hole?
a)
It is too massive
b)
It is too old
c)
It is too young
d)
It is too small
20.
Which body in our solar system is classified as a star
a)
Haleys Comet
b)
Pluto
c)
The Sun
d)
Mars
21.
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
22.
What process takes place inside a star to generate energy
a)
Nuclear fission
b)
Hydrogen Creation
c)
Nuclear fusion
d)
Helium forming
23.
What is responsible for bringing the particles together when a star is first born?
a)
Electrostatic Attraction
b)
Heat Energy
c)
Cosmic Radiation
d)
Gravity
24.
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
25.
Stars are formed in a large cloud of gas and dust called a
a)
cumulonimbus cloud
b)
nebula
c)
neutron star
d)
black hole
26.
Which of these puts the main parts of an average star's life cycle in the correct order?
a)
protostar>
main sequence>
red giant >
white dwarf
main sequence>
red giant >
white dwarf
b)
protostar>
main sequence>
white dwarf>
red giant
main sequence>
white dwarf>
red giant
c)
main sequence>
protostar>
white dwarf>
red giant
protostar>
white dwarf>
red giant
d)
protostar>
red giant >
main sequence>
white dwarf
red giant >
main sequence>
white dwarf
27.
A super giant grows bigger and bigger until it climbs up the periodic table to _____.
a)
silicon
b)
oxygen
c)
hydrogen
d)
iron
28.
Helium is the result of ______ atoms combining in nuclear fusion.
a)
nuclear fusion
b)
gravity
c)
hydrogen
d)
iron
29.
______ is a force that causes dust particles to stick together in a nebula.
a)
nuclear fusion
b)
gravity
c)
hydrogen
d)
iron
30.
Our sun is a
a)
Extra-large star
b)
Very small star
c)
Medium-sized star
d)
Is not a star
31.
Which is a huge ball of hot gases that gives off its own light?
a)
A planet
b)
A star
c)
A comet
d)
A moon
32.
A constellation is ....
a)
A galaxy
b)
An asteroid
c)
A planet
d)
A group of stars
33.
The moon's light is really
a)
a comet
b)
a reflection of sunlight
c)
hot gas
d)
light from Earth
34.
What is the 1st planet from the Sun?
a)
Mars
b)
Mercury
c)
Venus
d)
Earth
35.
What is the 2nd planet from the sun?
a)
Mars
b)
Mercury
c)
Venus
d)
Earth
36.
What is the 3rd planet from the Sun?
a)
Mars
b)
Mercury
c)
Venus
d)
Earth
37.
What is the 4th planet from the Sun?
a)
Mars
b)
Mercury
c)
Venus
d)
Earth
38.
What is the 5th planet from the Sun?
a)
Saturn
b)
Neptune
c)
Jupiter
d)
Uranus
39.
What is the 6th planet from the Sun?
a)
Saturn
b)
Neptune
c)
Jupiter
d)
Uranus
40.
What is the 7th planet from the Sun?
a)
Saturn
b)
Neptune
c)
Jupiter
d)
Uranus
41.
What is the 8th Planet from the Sun?
a)
Saturn
b)
Neptune
c)
Jupiter
d)
Uranus
42.
Besides planets, what might you see in our solar system?
a)
a milky way candy bar
b)
an astroid belt
c)
an airplane
d)
an impirial walker
43.
The "red planet" is
a)
Venus
b)
Uranus
c)
Mars
d)
Saturn
44.
The planet with the most spectacular rings of any planet is
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
45.
True about Venus:
1. Much larger than Earth
2. Very thick atmosphere
3. 2 moons
4. Atmosphere made of carbon dioxide
1. Much larger than Earth
2. Very thick atmosphere
3. 2 moons
4. Atmosphere made of carbon dioxide
a)
1 & 2
b)
2 & 4
c)
2 & 3
d)
3 & 4
46.
The four terrestrial planets all have
a)
Hot temperatures
b)
Rocky surfaces
c)
Deep atmospheres
d)
Large size
47.
What is the correct order of the planets from the sun?
a)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
b)
Mercury, Earth, Venus, Mars, Jupiter, Saturn, Uranus, Neptune.
c)
Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune.
d)
Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune.
48.
Which is the largest object in our solar system?
a)
Sun
b)
Jupiter
c)
Earth
d)
Pluto
49.
The __________ has planets, moons, comets, and asteroids.
a)
solar system
b)
earth
c)
rotation
d)
United States
50.
One of the main differences between the outer and inner planets is __________.
a)
The inner planets all have water
b)
the inner planets are much bigger than the outer planets
c)
the outer planets are gas planets
d)
the outer planets have rings, and the inner planets don't
51.
how many planets are in our solar system?
a)
6
b)
5
c)
9
d)
8
52.
The trapping of heat by the atmosphere is called the
a)
Hothouse effect
b)
Carbon emissions
c)
Greenhouse effect
d)
Atmospheric warming
53.
1. The Earth Revolves around ________________.
a)
Jupiter
b)
The Moon
c)
The Sun
d)
Earth's Axis
54.
What Shape is Earth's orbit?
a)
Circular
b)
Elliptical
c)
Rectangular
d)
Spherical
55.
The moon cycle (lunar cycle) takes approximately _______________ to complete.
a)
14 days
b)
28 days/approximately one month
c)
58 days
d)
1 week
56.
What Moon phase is this?
a)
Full Moon
b)
Gibbous
c)
New Moon
d)
quarter moon
57.
What Moon phase is this?
a)
gibbous
b)
full
c)
new
d)
Quarter
58.
What Moon phase is this?
a)
Old Moon
b)
Far Side of the Moon
c)
New Moon
d)
Waxing Gibbous
59.
What Moon phase is this?
a)
Crescent
b)
Full
c)
new
d)
Gibbous
60.
True or False: The moon does not produce its own light.
a)
True
b)
False
61.
Which phase of the moon is shown in the picture?
a)
New
b)
Cresent
c)
Quarter
d)
Gibbous
62.
The path a body follows as it travels around another body in space
a)
Revolution
b)
Rotation
c)
Orbit
d)
Corona
63.
the shape of the ellipse describes
a)
the cross section of the sun
b)
the shape of a planet's core
c)
the path of a planet's axis
d)
A planet's orbit around the sun
64.
What force "holds" the planets in orbit?
a)
inertia
b)
gravity
c)
air pressure
d)
magnetism
65.
The _______ is between the orbits of Mars and Jupiter.
a)
Oort Cloud
b)
Asteroid belt
c)
Kuiper belt
d)
Photosphere
66.
What does accretion mean?
a)
the process of becoming larger by enlarging existing cells
b)
the process of becoming larger by bumping into things and ingesting them
c)
the process of becoming larger by eating more
d)
the process of becoming larger by adding more material
67.
Which of the following is evidence that all of the planets formed from the ancient flattened disk revolving around the early Sun?
a)
They are all rocky
b)
They all have gas
c)
The all lie on the same plane
d)
they all have life on them
68.
What is the difference between a gibbous moon and a crescent moon?
a)
The gibbous shows more than half of the bright side of the moon.
b)
The crescent shows more than half of the bright side of the moon.
c)
The gibbous shows less than half of the bright side of the moon.
69.
During the phases of the Moon, the Moon appears to change shape. This change in appearance is due to the Moon...
a)
physically changing size and shape.
b)
moving closer and then farther away from Earth.
c)
reflecting a different amount of light due to alignment with Earth and the Sun.
d)
the Earth's shaddow
70.
Our Sun is average-sized, average temperature, and middle aged.
a)
False
b)
True
71.
Which of these puts the main parts of an average star's life cycle in the correct order?
a)
protostar>
main sequence>
red giant >
white dwarf
main sequence>
red giant >
white dwarf
b)
protostar>
main sequence>
white dwarf>
red giant
main sequence>
white dwarf>
red giant
c)
main sequence>
protostar>
white dwarf>
red giant
protostar>
white dwarf>
red giant
d)
protostar>
red giant >
main sequence>
white dwarf
red giant >
main sequence>
white dwarf
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