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WorksheetsAstronomy Review
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
What is the estimated age of the universe?
a)
14 billion years old
b)
4.5 billion years old
c)
14 million years old
d)
20 million years old
2.
Which scientist developed the Heliocentric view of the universe despite many people disagreeing with him?
a)
Einstein
b)
Copernicus
c)
Ptolemy
d)
Aristotle
3.
Which galaxy type would Earth be found in?
a)
Irregular Galaxy
b)
Spiral Galaxy
c)
Elliptical Galaxy
4.
What is the name of the galaxy we live in?
a)
Orion Galaxy
b)
Milky Way Galaxy
c)
Solar System Galaxy
d)
Andromeda Galaxy
5.
The moon's orbit is titled.
a)
True
b)
False
6.
Gas giants have THIN atmospheres.
a)
True
b)
False
7.
How many days does it take for the moon to orbit Earth?
a)
365.25 days
b)
24 hours
c)
20 days
d)
29.5 days
8.
Which two planets do NOT have moons?
a)
Mercury and Mars
b)
Venus and Neptune
c)
Mercury and Venus
d)
Venus and Uranus
9.
When the sun is hidden by the moon, a __________________ is occurring.
a)
lunar eclipse
b)
solar eclipse
10.
When rock hits Earth’s surface, it is called what?
a)
Meteor
b)
Meteoroid
c)
Meteorite
11.
Lunar eclipses only occur during what moon phase?
a)
Full Moon
b)
Waning Gibbous
c)
Third Quarter
d)
New Moon
12.
What is the shape of a comet's orbit?
a)
Circular
b)
Elliptical
c)
Quadratical
13.
It takes Earth ____________ to rotate on its axis and ___________ to revolve around the Sun.
a)
365.25 days; 24 hours
b)
365.25 hours; 24 days
c)
24 hours; 365.25 days
d)
24 hours; 350.25 days
14.
The Universe is shrinking.
a)
True
b)
False
15.
Who observed the galaxies moving further away from us?
a)
Copernicus
b)
Ptolemy
c)
Edwin Hubble
d)
Galileo
16.
The Big Bang Theory explains...
a)
The Law of Gravity
b)
How the Universe was formed
c)
The beginning of life
17.
What portion of the moon is lit up at all times?
a)
1/4
b)
1/2
c)
It's always changing
18.
What direction does the moon revolve around the Earth?
a)
Counterclockwise
b)
Clockwise
19.
Which moon phase is pictured in diagram A?
a)
waning gibbous
b)
waxing gibbous
c)
waning crescent
d)
waxing crescent
20.
What is the difference between an asteroid and a meteoroid?
a)
Asteroids are bigger than meteoroids.
b)
Meteoroids are bigger than asteroids.
21.
The main asteroid belt lies between the orbits of....
a)
Earth and Mars
b)
Saturn and Jupiter
c)
Venus and Earth
d)
Mars and Jupiter
22.
The time it takes a planet to complete a single trip around the sun is called...
a)
Revolution
b)
Rotation
c)
Period of revolution
d)
Orbit
23.
An object’s resistance in speed or direction is called __________.
a)
Mass
b)
Pressure
c)
Inertia
d)
Energy
24.
Lit on the left side, dark on the right side.
a)
Waning gibbous
b)
First Quarter
c)
Waxing crescent
d)
Third Quarter
25.
What two factors are necessary to keep planets and moons on their orbit?
a)
gravity and inertia
b)
mass and inertia
c)
gravity and mass
d)
gravity and weight
26.
What happens to gravitational pull as the DISTANCE between two objects INCREASES?
a)
gravitational pull increases
b)
gravitational pull remains the same
c)
gravitational pull decreases
d)
gravitational pull is canceled out
27.
A meteoroid is....
a)
A meteor before it enters Earth's atmosphere and is still in space
b)
A meteor that causes a great deal of destruction
c)
A meteor that has hit Earth's surface
d)
A meteor from another galaxy
28.
Who is the early astronomer that claimed Earth is at the center of the universe?
a)
Copernicus
b)
Ptolemy
c)
Einstein
d)
Galileo
29.
What is the smallest planet?
a)
Venus
b)
Neptune
c)
Mercury
d)
Jupiter :)
30.
A piece of stone and/or iron traveling through space is called...
a)
planet
b)
moon
c)
meteor
d)
meteoroid
31.
The famous astronomer credited with discovering the Big Bang is...
a)
Edwin Hubble
b)
Copernicus
c)
Sheldon Cooper
d)
Galileo
32.
A large asteroid is heading in Earth’s direction. The gravity of Earth is much smaller than the inertia of the object. What will happen to the object?
a)
The object flies past Earth
b)
The objects crashes into Earth
c)
The object becomes a moon of Earth
d)
The object explodes
33.
Which planet is the water planet and contains life as we know it?
a)
Mars
b)
Earth
c)
Venus
d)
Pluto
34.
A _______________ is when the Earth casts a shadow on the moon, causing the moon to go dark.
a)
Solar Eclipse
b)
Lunar Eclipse
35.
What type of eclipse occurs at NIGHT during a FULL MOON?
a)
Solar Eclipse
b)
Lunar Eclipse
36.
Solar eclipse or a lunar eclipse?
a)
Solar Eclipse
b)
Lunar Eclipse
37.
What is the most COMMON type of eclipse?
a)
Solar Eclipse
b)
Lunar Eclipse
38.
Lunar Eclipse or Solar Eclipse?
a)
Solar Eclipse
b)
Lunar Eclipse
39.
At which phase of the moon do solar eclipses occur?
a)
full
b)
new
c)
first quarter
d)
third quarter
40.
When the visible portion of the moon is increasing, the moon is...
a)
waxing
b)
waning
c)
full
d)
waning-crescent
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