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WorksheetsSolar System
Total questions: 43
Worksheet time: 28mins
Name
Class
Date
1.
The largest object in the night sky is the _____.
a)
stars
b)
planets
c)
Moon
d)
asteroids
2.
Small points of light in the night sky are _____.
a)
stars
b)
Moon
c)
asteroids
d)
Earth
3.
A _____ can help you see details of objects in the sky.
a)
magnifying glass
b)
hand lens
c)
microscope
d)
telescope
4.
When you make an object appear larger, you ____ it.
a)
magnify
b)
reduce
c)
decrease
d)
shrink
5.
What problem does a telescope solve?
a)
touching distant objects in space
b)
seeing distant objects in space
c)
going to distant objects in space
d)
hearing distant objects in space
6.
Why is a rainy part of the world a bad place to build a telescope?
a)
The rain will rust the metal of the telescope.
b)
The rain will melt the mirrors of the telescope.
c)
The clouds cover the stars at night.
d)
The weather is too cold for telescopes to work.
7.
Why were pictures from the Hubble Space Telescope clearer than pictures taken from telescopes on Earth?
a)
There is an artist on board the Hubble.
b)
The Hubble Telescope is a radio telescope and collected radio waves.
c)
The Hubble orbited Earth above Earth's atmosphere.
d)
It was lucky.
8.
The _____ is the nearest star to Earth.
a)
inner planets
b)
Moon
c)
planet
d)
Sun
9.
A _____ is a large body of rock or gas in space that moves around a star.
a)
Moon
b)
planet
c)
star
d)
Sun
10.
To _____ the Sun is to move in a path around it.
a)
magnify
b)
orbit
c)
spin
d)
rotate
11.
A _____ is a small round object that orbits around a planet.
a)
planet
b)
moon
c)
star
d)
ring
12.
Which of the following is a planet?
a)
Earth
b)
the Sun
c)
the Moon
d)
Titan
13.
How is the Moon's motion like Earth's motion?
a)
The Moon orbits Earth, just like Earth orbits the Sun.
b)
The Moon spins on its side just like other planets.
c)
The Moon has rings around it just like another planet.
d)
The Moon orbits the Sun, just like Earth orbits the Moon.
14.
Which BEST describes Mercury?
a)
It is an outer planet with rings around it.
b)
It is an outer planet with a great red storm.
c)
It is an inner planet with thick clouds making it hot all the time.
d)
It is an inner planet with very hot days and very cold nights.
15.
Which is an inner planet?
a)
Mars
b)
Jupiter
c)
Saturn
d)
Uranus
16.
Which is the largest of all the planets?
a)
the Sun
b)
Jupiter
c)
Saturn
d)
Pluto
17.
Which planet is MOST famous for its beautiful rings?
a)
Venus
b)
Jupiter
c)
Saturn
d)
Neptune
18.
If a planet is described as a gas giant, where would you say it is located in our solar system?
a)
It is in-between the Sun and Pluto.
b)
It is in-between the asteroid belt and Pluto.
c)
It is in-between Earth's Moon and Earth.
d)
It is in-between the Sun and the asteroid belt.
19.
Which of the following is an outer planet?
a)
Mars
b)
Venus
c)
Uranus
d)
Mercury
20.
How long does it take Earth to spin around once?
a)
one year
b)
365 days
c)
1 day
d)
1 week
21.
How is a year on Mercury different from a year on Earth?
a)
It is shorter because Mercury is closer to the Sun than Earth.
b)
It is longer because Mercury is farther away from the Sun than Earth.
c)
It is the same because it is Earth's twin.
d)
Mercury does not travel around the Sun.
22.
Compared to Earth, the outer planets are?
a)
smaller than Earth
b)
larger than Earth
c)
hotter than Earth
d)
closer to the Sun than Earth
23.
Which of the following is closest to the Sun?
a)
Earth
b)
Venus
c)
Mercury
d)
Pluto
24.
Venus is considered Earth's twin because...
a)
it has life on it.
b)
it has liquid water on it.
c)
it is the same temperature as Earth.
d)
it is almost the same size.
25.
If Earth orbits the Sun once every year, how many days is Earth's year?
a)
88 days
b)
one month
c)
30 days
d)
365 days
26.
Like the other inner planets, Earth is made of
a)
ice
b)
rock
c)
gas
d)
stars
27.
The nickname for Mars is the Red Planet because...
a)
it has a lot of red paint on it.
b)
it is covered in red rocks and rusty soil.
c)
there is red ice everywhere.
d)
it is always autumn there.
28.
The correct order of the inner planets is...
a)
Earth, Mercury, Mars, Venus
b)
Venus, Earth, Mars, Jupiter
c)
Mercury, Venus, Earth, Mars
d)
Sun, Mercury, Venus, Earth
29.
A __________ is a space craft that travels into space with instruments and tools to take pictures and collect data.
a)
telescope
b)
Hubble
c)
space probe
d)
satellite
30.
Which planets are Earth's two closest neighbors?
a)
Mercury and Pluto
b)
Venus and Jupiter
c)
Mars and Saturn
d)
Venus and Mars
31.
How is a space probe more useful than a telescope?
a)
It can fly by or land on another planet.
b)
It can collect radio waves.
c)
It can take people to other planets.
d)
It can magnify the planet and make it larger.
32.
All inner planets are...
a)
outside the asteroid belt.
b)
close to the Sun, small, rocky, and round.
c)
far from the Sun and made mostly of gas.
d)
are dwarf planets and have elliptical orbits.
33.
A __________ is a very large planet made up mostly of gases.
a)
gas giant
b)
inner planet
c)
space probe
d)
telescope
34.
Which two planets are Jupiter's closest neighbors?
a)
Saturn and Uranus
b)
Mercury and Pluto
c)
Mercury and Mars
d)
Mars and Saturn
35.
Why is Jupiter's year longer than Mars's year?
a)
It is closer to the Sun.
b)
It is farther away from the Sun.
c)
It is larger than the Sun.
d)
It is larger than Mars.
36.
Saturn's _____ are made of ice, rocks, and dust.
a)
moons
b)
planets
c)
rings
d)
clouds
37.
How is Uranus's rotation different from Earth's rotation?
a)
Uranus spins on its side.
b)
Uranus spins faster than Earth.
c)
Uranus does not spin.
d)
Earth spins on its side.
38.
Which is the correct order of the outer planets?
a)
Mars, Jupiter, Saturn, Uranus
b)
Jupiter, Saturn, Uranus, Neptune
c)
Uranus, Neptune, Mercury, Pluto
d)
Pluto, Neptune, Uranus, Saturn
39.
Rings, gases, and many moons are the best descriptions for the...
a)
inner planets.
b)
small planets.
c)
outer planets.
d)
asteroid belt.
40.
The Sun appears to be very large and very bright because...
a)
it is the largest star in the universe.
b)
it is a white star.
c)
it is a planet.
d)
it is the only star in our solar system.
41.
The difference between a radio telescope and an optical telescope is that an optical telescope...
a)
collects light.
b)
collects radio waves.
c)
collects Pokemon.
d)
collects baseball cards.
42.
All telescopes can...
a)
take pictures by collecting light.
b)
take pictures by collecting radio waves.
c)
magnify images of distant objects.
d)
make objects appear to be smaller.
43.
Which of the listed planets are LEAST alike?
a)
Uranus and Neptune
b)
Jupiter and Saturn
c)
Mars and Jupiter
d)
Venus and Earth
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