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WorksheetsPlanets Test
Total questions: 60
Worksheet time: 1hrs 1mins
This planet has very thick atmosphere of sulfuric acid and the hottest temperatures of all of the planets.
Only planet known, without any doubts, to have life.
Planets made of rocky materials and metals. All of them have solid surfaces.
Terrestrial Planets
Gas Giant Planets
Ice Giant Planets
Planets that are closer to the Sun
take more time to revolve around it
take less time to revolve around it
Neither. All the planets revolve at the same speed.
Mercury,Saturn
Jupiter, Uranus, Neptune
Jupiter, Neptune,
Mercury,Saturn,
Uranus
Mars,Jupiter,
Saturn,Uranus
Neptune
The spinning of an object on its side / axis is called______
How long does it take for Earth to complete one full ROTATION?
365.25 days
23 hours
23 hours and 56 minutes
24 hourrs
How long does it take the Earth to make one REVOLUTION around the Sun?
12 hours
24 hours
365.25 days
29.5 days
Mercury
Mars
Saturn
Jupiter
Neptune
True or False: The Gas giant planets have no solid surface.
True
False
True or False: Methane gives Uranus and Neptune a blue color because it absorbs red light.
True
False
An astronomical unit, or AU, is the distance
From the Sun to Mars
From the Sun to the Earth
From Earth to Mars
From the Sun to the end of the solar system
Planets made of hydrogen and helium
Terrestrial Planets
Gas Giant Planets
Ice Giant Planets
Planets made of gasses mixed with "slushy" materials such as methane, ammonia, and water ices.
Terrestrial Planets
Gas Giant Planets
Ice Giant Planets
What rule of planets does Pluto not follow?
It must be a sphere
It must orbit the Sun and not another object
It must pull objects down around it with its gravity
The path a planet takes through the solar system.
orbit
rotation
revolution
Which of these will always increase as you head away from the Sun?
orbit
rotation
revolution
What is wrong with this drawing of Uranus?
It should have a great dark spot.
Uranus has no rings.
It should be tilted on its side.
Planet with the fastest wind speeds in the solar system.
Jupiter
Saturn
Neptune
This Planet has the greatest daily temperature extremes (biggest difference between day and night) of any planet.
Mercury
Venus
Earth
Mars
Which planet has no atmosphere?
Mercury
Venus
Earth
Mars
Which planet has 4 large moons (Io, Europa, Ganymede, and Callisto) called the Galilean moons because in 1610 Galileo Galilei discovered them?
Jupiter
Saturn
Uranus
Neptune
Which planet has the most moons (140+)?
Jupiter
Saturn
Uranus
Neptune
Choose the TWO planets that are mostly made of hydrogen and helium. Make sure BOTH are clicked.
Mercury
Mars
Jupiter
Earth
Saturn
The fact that the surface of Mars is rusted means that
Mars has lots of Silicon on its surface.
Mars was once in the spot where Earth is.
Mars once had water on its surface.
Which planet is this?
Mercury
Venus
Uranus
Neptune
Which planet is this?
Mercury
Venus
Uranus
Neptune
Which planet has a revolution of over 160 years?
Jupiter
Saturn
Neptune
Uranus
Uranus has huge storms because of its extreme heat inside its core.
True
False
Which of these conditions would you find on Venus?
A crushing atmosphere
Extreme heat that can melt lead
Sulfuric acid clouds
All of these are correct
Neptune is 30 AU from the Sun. This means
It is 10 times further from the Sun than the Earth.
It is 15 times further from the Sun than the Earth.
It is 30 times further from the Sun than the Earth.
It is 45 times further from the Sun than the Earth.
Which of these planets is the "twin" of Neptune?
Jupiter
Saturn
Uranus
The gasses that envelope / surround a planet
Orbits
Rotations
Atmospheres
Revolutions
If you see an object in space covered in craters, that means
It has little or no atmosphere.
It is very volcanic.
It is very cold and cannot melt asteroids.
It has dirt or ice filling them in.
What are the rings of Saturn made out of that makes them so reflective?
Dirt / Rock
Water Ice
Methane
Ammonia
In science, composition means
How fast a planet spins on its axis.
How a planet is heated from its core.
What colors a planet has on its solid surface.
What materials / elements an object is made out of.
The greatest source of mass and gravity in the Solar System:
Jupiter
The Sun
Saturn
The Earth
If a new planet was discovered past Neptune, it would have a revolution that was
The same as Neptune's
Shorter than Neptune's
Longer than Neptune's
Which planet does this storm belong to?
Jupiter
Saturn
Uranus
Neptune
I ask you what "period of revolution" means, and you say "a year!". Why might you be wrong?
The days are different on each planet.
Each planet has its own unique path around the Sun.
The time is takes to revolve around the Sun is different for each planet.
What kind of moons are these?
Regular Moons
Irregular Moons
The movement of an object around the Sun.
The TIME it takes an object to spin once on its side / axis is its _______.
period of rotation
period of revolution
Which planet has the biggest volcano and longest canyon (like Earth, but super-sized)? Type in your answer!
(a)
True or False: A day on Venus is longer than a year on Venus.
True
False
What type of moon is this?
Regular
Irregular
Each of these colored lines is a(n)
rotation
orbit
revolution
Which of these planets have rings of rock? Click both correct choices.
Mars
Uranus
Saturn
Venus
Neptune
How many moons does Mercury have? Enter the number or type in the number.
(a)
Which of these match all 4 outer planets? Click all THREE that are correct!
Composition of lots of hydrogen and helium, with extra elements mixed in
Solid, rocky surfaces
10+ Moons
Ring systems
The asteroid belt is between
Mars and Jupiter
Mars and Earth
Jupiter and Saturn
The Sun and Mercury
True or False: The Asteroid Belt has so much material in it, you could build a huge planet with it all.
True
False
