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Unit 3 Lesson 4, 5, and 6 Review

Total questions: 62

Worksheet time: 4hrs 46mins

Name
Class
Date
1.
The Milky Way is an example of which type of galaxy?
a)
Irregular
b)
Elliptical
c)
Spiral
d)
None of these
2.
An object that orbits another, larger object in space is called a . . .
a)
Sun
b)
Probe
c)
Satellite/Moon
d)
None of these
3.
The Sun, Earth, seven other other planets, and smaller bodies make up our . . .
a)
Constellations
b)
Solar System
c)
Universe
d)
Galaxy
4.
Which of the following is the largest?
a)
Star
b)
Solar System
c)
Universe
d)
Galaxy
5.
 An AU (astronomical unit) is the average distance between . . . 
a)
any two planets
b)
Earth and Moon
c)
Sun and Pluto
d)
Sun And Earth
6.
The color of a star indicates its . . .
a)
size
b)
distance from Earth
c)
Temperature
d)
age
7.
Which of the following lists some of the objects in the solar system from smallest to largest?
a)
Asteroid, Earth, Sun
b)
Sun, Asteroid, Earth
c)
Earth, asteroid, Sun
d)
Earth, Sun, asteroid
8.
How often does Earth complete one rotation?
a)
once a year
b)
once a month
c)
once a week
d)
once a day
9.
How often does Earth complete one period of revolution?
a)
once a year
b)
once a month
c)
once a week
d)
once a day
10.
Earth is one planet in the solar system that orbits the . . . 
a)
Moon
b)
Sun
c)
Milky Way Galaxy
d)
Universe
11.
The __________ are dense planets nearest the sun.
a)
Terrestrial planet
b)
Gas giant planet
c)
Asteroid Belt
d)
Astronomical Unit
12.
 An ______________ is equal to the average distance between the Sun and Earth.
a)
Terrestrial planet
b)
Gas giant planet
c)
Asteroid Belt
d)
Astronomical Unit
13.
A large planet that has deep, massive atmosphere is called a ____________.
a)
Terrestrial planet
b)
Gas giant planet
c)
Asteroid Belt
d)
Astronomical Unit
14.
The ______ is a spherical region that surrounds the solar system and extends almost halfway to the nearest star.
a)
Dwarf Planet
b)
Oort Cloud
c)
Asteroid Belth
d)
Kuiper Belt
15.
A region of the solar system that extends from the orbit of Neptune to about twice the orbit of Neptune is the ___________.
a)
Dwarf Planet
b)
Oort Cloud
c)
Asteroid Belth
d)
Kuiper Belt
16.
A meteor that reaches Earth's surface without burning up is a ___________.
a)
Meteoroid
b)
Meteor
c)
Meteorite
d)
Asteroid
17.
People sometimes talk about seeing shooting stars.  What do they actually see?
a)
Meteoroid
b)
Meteor
c)
Meteorite
d)
Asteroid
18.
What is a minor body that orbits outside the orbit of Neptune?
a)
Asteroid
b)
Kuiper Belt Object
c)
Meteoroid
d)
Comet
19.
What is a small body that follows a highly elliptical orbit around the sun?
a)
Asteroid
b)
Kuiper Belt Object
c)
Meteoroid
d)
Comet
20.
What is the largest of the small bodies that are found in the solar system?
a)
Asteroid
b)
Kuiper Belt Object
c)
Meteoroid
d)
Dwarf Planet
21.
Which of the following is a Gas Giant Planet?
a)
Mercury
b)
Venus
c)
Uranus
d)
Mars
22.
Venus has the highest average surface temperature of any planet in the solar system.  Which of the following best describes why Venus is so hot?
a)
Venus has a thin atmosphere and solar energy reaches the surface easily
b)
The thick atmosphere of Venus reflects most incoming solar energy back into space
c)
Carbon dioxide in Venus's atmosphere traps solar energy that reaches Venus's surface.
d)
Energy from within Venus is transferred to the surface
23.
Which if the following two planets do not have any moons/satellites?
a)
Jupiter, Uranus
b)
Mercury, Earth
c)
Mercury, Venus
d)
Venus, Saturn
24.
Which of the following planets only have one moon?
a)
Venus
b)
Earth
c)
Mars
d)
Jupiter
25.
Which of the following planets has an axial tilt that causes it to rotate completely on it's side?
a)
Neptune
b)
Uranus
c)
Saturn
d)
Jupiter
26.
Why do gas giant planets have more satellites than terrestrial planets?
a)
They are farther from the Sun
b)
They are made of gas
c)
They have a larger gravitational pull
d)
none of the above
27.
A factor that is changed on purpose by an experimenter is called . . .
a)
an independent variable
b)
a dependent variable
c)
a controlled variable
d)
a constant
28.
How are stars in a constellation related?
a)
all are equally bright
b)
all are equal distances from Earth
c)
they form a pattern in the sky
d)
they are close to one another in space
29.
At what point in a comet's highly elliptical orbit around the sun will it travel the fastest?
a)
Far from the sun
b)
Close to the sun
c)
Travels the same speed the entire time
d)
None of these
30.
Comets originate in the asteroid belt and the Kuiper Belt.
a)
True
b)
False
31.
Three groups of asteroids are stony, iron, and stony-iron.
a)
True
b)
False
32.
Most meteoroids that enter Earth's atmosphere burn up.
a)
True
b)
False
33.
What makes up the surface of Mars?
a)
liquid water, breathable air, and a source of energy
b)
dark volcanic rock (basalt), red orange dust, very large dust storms
c)
Most heavily cratered pf the terrestrial planets
d)
Volcanoes, craters, and sulfuric acid rain
34.
Which Gas Giant planet has a density that is less than that of water?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
35.
Which Gas Giant planet has the strongest winds in the solar system?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
36.
Which Gas Giant planet is tilted on its side as it orbits the sun?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
37.
Which Gas Giant planet is the largest in the solar system?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
38.
Which terrestrial planet has the highest surface temperatures in the solar system?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
39.
Which planet is the most heavily cratered of the terrestrial planets, has a moon-like surface, and is composed largely of volcanic rock?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
40.
The dependent variable . . .
a)
Might change as the controlled variable changes
b)
Always changes as the controlled variable changes
c)
Might change as the independent variable changes
d)
Always changes as the independent variable changes
41.
Most _______ are located between the orbits of Mars and Jupiter.
a)
Dwarf Planet
b)
Oort Cloud
c)
Asteroids
d)
Kuiper Belt
42.
Which of the following units is used to express the size of stars?
a)
km
b)
light-year
c)
solar radius
d)
Astronomical unit
43.
Which statement best describes stars?
a)
large planets that are composed mostly of gas
b)
celestial bodies made of gas that give off light
c)
faint dots of light that can be seen from Earth's surface
d)
objects that form in the outer parts of the solar system
44.

Two stars have the same apparent magnitude as seen from Earth's surface. Star A is 33 light years away. Star B is 346 light years away. Which of the following statements is true?

a)

Star B is larger than Star A

b)

Star B is more luminous (more true brightness) than Star A

c)

The stars have the same absolute magnitude

d)

None of the above

45.
Which of the following terms is the same as absolute magnitude?
a)
apparent magnitude
b)
luminosity
c)
light year
d)
temperature
46.
Which of the following star colors would have the highest surface temperature?
a)
red
b)
yellow
c)
white
d)
blue
47.
Galaxies contain stars, gas, and dust.  What is responsible for holding all of this matter together?
a)
heat
b)
light
c)
gravity
d)
friction
48.
Which of the following terms is a measure of how bright a star appears to be as seen from Earth's surface?
a)
luminosity
b)
apparent magnitude
c)
absolute magnitude
d)
solar radii
49.
Galaxies are large groups of millions, billions, or even trillions of stars. What keeps the stars in a galaxy from moving away from each other? (SC.8.E.5.3)
a)
gravity
b)
density
c)
composition
d)
temperature
50.
Our solar system consists of eight planets.  Which phrase correctly describes a planet? (SC.8.E.5.3)
a)
A large celestial body that is composed of gas and emits light
b)
Any one of the primary bodies that orbit a star
c)
Many stars held together by gravity
d)
Space and all the matter and energy in it
51.
A light-year (ly) is the distance that light travels in one year. If a star is 3 ly from Earth, how long does it take light from that star to reach Earth? (SC.8.E.5.1)
a)
3 minutes
b)
3 hours
c)
3 years
d)
3 light years
52.
Celestial bodies can be classified based on their sizes. Which of the following is the smallest? (SC.8.E.5.3)
a)
a planet
b)
the sun
c)
a red supergiant
d)
none of the above
53.
Which of these instruments would be used to get a clearer view of distant objects in the sky?   (SC.8.N.1.1)
a)
a micrscope
b)
a telescope
c)
a kaleidoscope
d)
a stethoscope
54.
The Milky Way is an example of which type of galaxy?  (SC.8.E.5.3)
a)
Quasar
b)
Spiral
c)
Elliptical
d)
Irregular
55.
The Sun, Earth, seven other planets and smaller bodies make up our. . .(SC.8.E.5.3)
a)
Constellation
b)
Solar system
c)
Universe
d)
Galaxy
56.
What is the solar system?   (SC.8.E.5.3)
a)
Planets and smaller bodies that orbit Earth
b)
Stars and planets that orbit a galaxy
c)
Planets and smaller bodies that orbit the Sun
d)
Stars and smaller bodies that orbit planets
57.
What is a spherical body that orbits the sun? (SC.8.E.5.3)
a)
star
b)
planet
c)
solar system
58.
Which of the following is the largest?  (SC.8.E.5.3)
a)
Universe
b)
Solar System
c)
Star
d)
Galaxy
59.
A sun-centered model of the solar system.
a)
heliocentric
b)
geocentric
c)
parallax
60.
A earth-centered model of the solar system.
a)
heliocentric
b)
geocentric
c)
parallax
61.
Gravity between objects increases as the mass of the of the objects . . .
a)
increases
b)
decreases
c)
stays the same
62.
As the distance between two objects increases, the force of gravity . . .
a)
increases
b)
decreases
c)
stays the same