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WorksheetsPlanets...Explore Our Solar System!
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
What two forces keep the planets in orbit?
a)
Inertia & Friction
b)
Inertia & Mass
c)
Inertia & Gravity
d)
Inertia & Matter
2.
Your weight on a planet depends on a planet's...
a)
Mass & Gravitational Pull
b)
Mass & Friction
c)
Inertia & Gravity
d)
Terrestrial & Gas
3.
Mass & Weight: Which statement best describes your weight and mass on Mercury as compared to here on Earth?
a)
Your weight would be less, but your mass would be more
b)
Your weight would be more, but your mass would be less.
c)
Your weight would be less, but your mass would be the same.
d)
Your weight would be the same, but your mass would be less.
4.
The measure of how much matter is in an object:
a)
Gravity
b)
Inertia
c)
Planet
d)
Mass
5.
Terrestrial means...
a)
Like Earth
b)
Like Saturn
c)
Like Neptune
d)
Like Pluto
6.
The Inner Planets are also called:
a)
The "Cuties"
b)
The "Bellies"
c)
The "Pinkies"
d)
The "Rockies"
7.
The Outer Planets are also called:
a)
The "Gas Giants"
b)
The "Great Women"
c)
The "Large Men"
d)
The "Rocky Giants"
8.
Rotation = One
a)
Year
b)
Day
c)
Century
d)
Decade
9.
Revolution = One
a)
Day
b)
Year
c)
Century
d)
Decade
10.
Mercury has the shortest year because...
a)
It's small
b)
It's closest to Earth
c)
It's closest to the Sun
d)
It's the 2nd most dense planet
11.
You can see many craters on Mercury because...
a)
It has no moon
b)
It has no atmosphere
c)
It has no sun
d)
It has no rocks
12.
Venus is the hottest planet because of the "Greenhouse Effect." This is when...
a)
Wind is trapped inside acid clouds
b)
Oxygen is trapped inside acid clouds
c)
Sun's heat is trapped inside acid clouds
d)
Gravity is trapped inside acid clouds
13.
What is unique about Venus's day?
a)
It's longer than its year
b)
Its shorter than its year
c)
It never ends
d)
It doesn't have one
14.
Which is the densest planet?
a)
Mars
b)
Earth
c)
Venus
d)
Mercury
15.
Which planet is called the "Evening & Morning Star?"
a)
Earth
b)
Mars
c)
Jupiter
d)
Venus
16.
Which is the only planet that has had an unmanned space craft to land and explore?
a)
Jupiter
b)
Mercury
c)
Neptune
d)
Mars
17.
The "Outer Planets" are made up of...
a)
Liquid & gas
b)
Liquid & rock
c)
Rock & gas
d)
Gas & CO2
18.
Which planet, made up of H & He, is a "Failed Sun?"
a)
Jupiter
b)
Saturn
c)
Mars
d)
Earth
19.
Why do scientists believe Uranus rotate on its side?
a)
It was created that way
b)
Something hit it
c)
It's more comfortable for that planet
d)
It does not rotate on its side
20.
What is "Perturbence?"
a)
Neptune's gravitational pull affects the speed Uranus moves as it draws near
b)
Earth's gravitational pull is affected by its moon
c)
Pluto's doesn't have a gravitational influence on another planet
d)
Mercury will be pulled in by the sun's gravitational pull
21.
Pluto was discovered and considered a planet in 1930. In 2006, it was demoted to a "Dwarf Planet" because...
a)
It doesn't orbit the sun
b)
It doesn't have sufficient mass.
c)
It doesn't have gravitational influence on another planet
d)
It doesn't have any atmosphere
22.
Who has icy particles or "Rings" orbiting the planet?
a)
Jupiter
b)
Earth
c)
Venus
d)
Saturn
23.
What makes Mars the "Red Planet?"
a)
Lava
b)
Magma
c)
Iron
d)
Kool-Aid
24.
What do Mars and Earth have in common?
a)
Life
b)
Trees
c)
Wind
d)
Buildings
25.
What year was Pluto demoted to a "Dwarf Plant?
a)
2000
b)
2002
c)
2004
d)
2006
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