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WorksheetsOuter Space
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
The four terrestrial planets are known for their _________
a)
hot temps
b)
deep atmospheres
c)
rocky surfaces
d)
large size
2.
A sun centered system of planets was developed by __________
a)
Galileo
b)
Ptolemy
c)
Copernicus
d)
Issac Newton
3.
How long does it take Earth to complete one revolution around the Sun?
a)
24 hours
b)
one week
c)
one month
d)
one year
4.
Earth completes one full ___________ on its axis every 24 hours.
a)
rotation
b)
revolution
c)
resolution
d)
reservation
5.
When the lit part of the moon grows larger, it is in the _______________ phase.
a)
waning
b)
first quarter
c)
waxing
d)
last quarter
6.
When the Moon appears completely dark with no lit part visible from Earth, it is called _____________.
a)
full moon
b)
waning gibbous moon
c)
old moon
d)
new moon
7.
Which is NOT an inner planet?
a)
Mercury
b)
Venus
c)
Earth
d)
Jupiter
8.
Which planet is between Venus and Mars?
a)
Earth
b)
Neptune
c)
Mercury
d)
Jupiter
9.
Earth and the other planets closest to the Sun are made mostly of _______
a)
gas
b)
metal
c)
water
d)
rock
10.
For a solar eclipse to occur,
a)
the sun must be directly between Earth and the moon.
b)
The moon must be directly between Earth and the moon
c)
the moon must be directly behind Earth
d)
Earth must be directly between the sun and the moon
11.
One of the conditions for life on Earth is
a)
alternating night and day
b)
extreme temperatures
c)
polar ice caps
d)
liquid water
12.
This Greek philosopher promoted the geocentric theory that Earth was the center of the universe
a)
Ptolemy
b)
Copernicus
c)
Galieo
d)
Socrates
13.
What is the smallest terrestrial planet?
a)
Mars
b)
Venus
c)
Mercury
d)
Earth
14.
This planet is the "jewel" of the solar system because it is surrounded by rings of dust, ice, and rocks.
a)
Neptune
b)
Earth
c)
Jupiter
d)
Saturn
15.
This planet is known as the Red Planet due to the breakdown of iron rich rocks. Like Earth it has four seasons and rotates on it's axis a little more than 24 hours day
a)
Mars
b)
Mercury
c)
Venus
d)
Neptune
16.
A force of attraction between any two objects is called _____________.
a)
static electricity
b)
rotation
c)
gravity
d)
orbit
17.
Unlike Earth, the Moon has no _____________.
a)
gravity
b)
atmosphere
c)
surface
d)
landforms
18.
What instrument could be used to make distant objects seem larger and nearer?
a)
telescope
b)
flashlight
c)
magnifying glass
d)
microscope
19.
The tilt of Earth's ________________ affects the length of a day.
a)
axis
b)
poles
c)
equator
d)
core
20.
The moon is a natural ______ of Earth.
a)
comet
b)
axis
c)
satellite
d)
space probe
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