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WorksheetsAstronomy - Planets
Total questions: 25
Worksheet time: 12mins
Name
Class
Date
1.
The sun contains 99.9% of the mass of the entire solar system
a)
true
b)
false
2.
One revolution on Earth equals
a)
one day
b)
one year
c)
one month
d)
one week
3.
Name all the inner planets in order:
a)
Mars, Venus, Earth, Mercury
b)
Mercury, Venus, Earth
c)
Mercury, Venus, Earth, Jupiter
d)
Mercury, Venus, Earth and Mars
4.
The largest planet in our solar system is...
a)
Uranus
b)
Jupiter
c)
Neptune
Neptune
d)
Mercury
Mercury
5.
The inner and outer planets are separated by...
a)
a wall
b)
the asteroid belt
c)
Earth's moon
d)
Pluto
6.
An asteroid is best described as:
a)
a star
b)
a burning ball of gas
c)
a small rocky body orbiting the sun
d)
a large rocky ball surrounded by gas
7.
A comet is best described as:
a)
a frozen ball of dust and organic debris
b)
a ball of dirt and maple syrup
c)
a snowball
d)
a snowball that moves at a high velocity
8.
Which planet is closer to the sun than Earth?
a)
Saturn
b)
Jupiter
c)
Mars
d)
Mercury
9.
The "red planet" is
a)
Venus
b)
Uranus
c)
Mars
d)
Saturn
10.
The planet with the most spectacular rings of any planet is
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
11.
The Great Red Spot is a storm in Jupiter's atmosphere.
a)
True
b)
False
12.
What is the correct order of the planets from the sun?
a)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
b)
Mercury, Earth, Venus, Mars, Jupiter, Saturn, Uranus, Neptune.
c)
Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune.
d)
Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune.
13.
Which one is a gas planet?
a)
Earth
b)
Jupiter
c)
Mars
d)
Mercury
14.
Our galaxy is called the
a)
Earth Nebula
b)
The Hubble Galaxy
c)
The Milky Way
d)
The Snickers
15.
Place these objects in order from smallest to largest.
a)
Planets, solar system, universe, galaxy
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
16.
Which planets have zero moons?
a)
Uranus and Mercury
b)
Neptune and Mars
c)
Venus and Earth
d)
Mercury and Venus
17.
Which planet is now classified as a dwarf planet?
a)
Mercury
b)
Mars
c)
Pluto
d)
Jupiter
18.
What is the hottest planet?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
19.
Which planet orbits on its axis sideways?
a)
Earth
b)
Jupiter
c)
Saturn
d)
Uranus
20.
Which two planets spin at roughly the same rate?
a)
Earth and Venus
b)
Venus and Mars
c)
Mars and Neptune
d)
Mars and Earth
21.
While the inner planets are solid, the outer planets are?
a)
Solid
b)
Non-Existent
c)
Gaseous
d)
Invisible
22.
Which was the first Kuiper Belt object to be seen?
a)
Neptune
b)
Mars
c)
Pluto
d)
Saturn
23.
Each planets distance from the sun is known from?
a)
Orbital Period
b)
Kepler's Law
c)
Planet's Radius
24.
Which direction do the planets rotate the sun.
a)
Counterclockwise
b)
Clockwise
25.
In What century was the telescope invented?
a)
15th Century
b)
20th Century
c)
16th Century
d)
17th Century
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