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WorksheetsEarth in the Universe - Our Solar System / Space Exploration
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
Our Solar System is made up of 9 planets, including Earth.
a)
True
b)
False
2.
All of the planets in our solar system orbit around the Sun.
a)
True
b)
False
3.
Every planet in our solar system has at least one moon.
a)
True
b)
False
4.
We do not know how long it takes planets to revolve around the sun.
a)
True
b)
False
5.
Earth's major source of heat and light comes from:
a)
electricity
b)
fire
c)
comets
d)
the sun
6.
The four inner planets, Mercury, Venus, Earth, and Mars, all have:
a)
atmospheres which contain oxygen
b)
liquid water
c)
rocky surfaces
d)
NASA space stations
7.
The ______ gravity has the most influence in the solar system.
a)
Mars'
b)
Sun's
c)
Moon's
d)
Saturn's
8.
a)
A
b)
B
c)
C
d)
D
9.
Which of the following are reasons Earth sustains life?
a)
liquid water
b)
breathable atmosphere
c)
suitable amount of sunshine
d)
all of the above
10.
a)
A
b)
B
c)
C
d)
D
11.
a)
True
b)
False
12.
a)
A
b)
B
c)
C
d)
D
13.
a)
True
b)
False
14.
What is the biggest planet in our solar system?
a)
Earth
b)
Jupiter
c)
Saturn
d)
Venus
15.
The chemical makeup of the sun is
a)
hydrogen and oxygen
b)
oxygen and helium
c)
hydrogen, helium and sulfate
d)
hydrogen and helium
16.
What is so special about the Earth compared to other planets in the solar system?
a)
it has liquid water
b)
it orbits the sun
c)
it is a rocky planet
d)
it rotates on its axis
17.
________ is the hottest planet in the solar system.
a)
Mercury
b)
Venus
c)
Mars
d)
Jupiter
18.
Venus is known as Earth's Twin because:
a)
both have a breathable atmosphere
b)
both have large, blue oceans
c)
both share the same moon called Luna
d)
both are a similar size and density
19.
Comets give off dust in the form of a
a)
tail
b)
halo
c)
solar flare
d)
crater
20.
a)
A
b)
B
c)
C
d)
D
21.
a)
A
b)
B
c)
C
d)
D
22.
a)
A
b)
B
c)
C
d)
D
23.
a)
A
b)
B
c)
C
d)
D
24.
The outer planets are also called:
a)
gas giants
b)
gas titans
c)
terrestrial planets
d)
large gaseous
25.
What uses escaping gas to move?
a)
Satellite
b)
space probe
c)
rocket
d)
telescope
26.
The first artificial satellite launched into space was:
a)
Explorer 1
b)
Sputnik 1
c)
Chandra X-Ray observatory
d)
Hubble Telescope
27.
Humans have landed probes on Mars and Venus.
a)
True
b)
False
28.
Pluto is one of the Gas Giants.
a)
True
b)
False
29.
Moons are natural satellites.
a)
True
b)
False
30.
The difference between a meteor, meteroid, and meterorite is based on where it is located.
a)
True
b)
False
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