Quiz about Planets Test

Question 1

This planet has very thick atmosphere of sulfuric acid and the hottest temperatures of all of the planets.

Accepted Answer

Venus

Answer

Mars

Answer

Mercury

Answer

Neptune

Question 2

This is the largest planet in the solar system.

Accepted Answer

Jupiter

Answer

Saturn

Answer

Uranus

Answer

Venus

Question 3

This is the smallest planet in the solar system

Accepted Answer

Mercury

Answer

Venus

Answer

Earth

Answer

Mars

Question 4

Only planet known, without any doubts, to have life.

Accepted Answer

Earth

Answer

Mars

Answer

Venus

Answer

Mercury

Question 5

Planets made of rocky materials and metals. All of them have solid surfaces.

Accepted Answer

Terrestrial Planets

Answer

Gas Giant Planets

Answer

Ice Giant Planets

Question 6

Uranus is different that other planets because it rotates on it's side.

Accepted Answer

True

Answer

False

Question 7

Planets that are closer to the Sun

Accepted Answer

take less time to revolve around it

Answer

take more time to revolve around it

Answer

Neither. All the planets revolve at the same speed.

Question 8

The order of the planets is:

Accepted Answer

Mercury,Venus,Earth
Mars,Jupiter,
Saturn,Uranus
Neptune

Answer

Mars,Venus,Earth,
Mercury,Saturn
Jupiter, Uranus, Neptune

Answer

Earth,Venus,Mars
Jupiter, Neptune,
Mercury,Saturn,
Uranus

Question 9

The spinning of an object on its side / axis is called______

Accepted Answer

rotation

Answer

orbit

Answer

revolution

Answer

tide

Question 10

How long does it take for Earth to complete one full ROTATION?

Accepted Answer

23 hours and 56 minutes

Answer

365.25 days

Answer

23 hours

Answer

24 hourrs

Question 11

How long does it take the Earth to make one REVOLUTION around the Sun?

Accepted Answer

365.25 days

Answer

12 hours

Answer

24 hours

Answer

29.5 days

Question 12

Mercury

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Answer

E.

Question 13

Mars

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Answer

E.

Question 14

Saturn

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Answer

E.

Question 15

Jupiter

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Answer

E.

Question 16

Neptune

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 17

True or False: The Gas giant planets have no solid surface.

Accepted Answer

True

Answer

False

Question 18

True or False: Methane gives Uranus and Neptune a blue color because it absorbs red light.

Accepted Answer

True

Answer

False

Question 19

An astronomical unit, or AU, is the distance

Accepted Answer

From the Sun to the Earth

Answer

From the Sun to Mars

Answer

From Earth to Mars

Answer

From the Sun to the end of the solar system

Question 20

Planets made of hydrogen and helium

Accepted Answer

Gas Giant Planets

Answer

Terrestrial Planets

Answer

Ice Giant Planets

Question 21

Planets made of gasses mixed with "slushy" materials such as methane, ammonia, and water ices.

Accepted Answer

Ice Giant Planets

Answer

Terrestrial Planets

Answer

Gas Giant Planets

Question 22

What rule of planets does Pluto not follow?

Accepted Answer

It must pull objects down around it with its gravity

Answer

It must be a sphere

Answer

It must orbit the Sun and not another object

Question 23

The path a planet takes through the solar system.

Accepted Answer

orbit

Answer

rotation

Answer

revolution

Question 24

Which of these will always increase as you head away from the Sun?

Accepted Answer

revolution

Answer

orbit

Answer

rotation

Question 25

What is wrong with this drawing of Uranus?

Accepted Answer

It should be tilted on its side.

Answer

It should have a great dark spot.

Answer

Uranus has no rings.

Question 26

Planet with the fastest wind speeds in the solar system.

Accepted Answer

Neptune

Answer

Jupiter

Answer

Saturn

Question 27

This Planet has the greatest daily temperature extremes (biggest difference between day and night) of any planet.

Accepted Answer

Mercury

Answer

Venus

Answer

Earth

Answer

Mars

Question 28

Which planet has no atmosphere?

Accepted Answer

Mercury

Answer

Venus

Answer

Earth

Answer

Mars

Question 29

Which planet has 4 large moons (Io, Europa, Ganymede, and Callisto) called the Galilean moons because in 1610 Galileo Galilei discovered them?

Accepted Answer

Jupiter

Answer

Saturn

Answer

Uranus

Answer

Neptune

Question 30

Which planet has the most moons (140+)?

Accepted Answer

Saturn

Answer

Jupiter

Answer

Uranus

Answer

Neptune

Question 31

Which of the following best describes the inner planets of the solar system?

Accepted Answer

Dense, rocky planets with few moons

Answer

Large gas planets with thick atmospheres

Answer

Small planets of ice with elliptical orbits

Answer

Barren planets with rings of gas and dust

Question 32

Choose the TWO planets that are mostly made of hydrogen and helium. Make sure BOTH are clicked.

Accepted Answer

Jupiter

Accepted Answer

Saturn

Answer

Mercury

Answer

Mars

Answer

Earth

Question 33

The fact that the surface of Mars is rusted means that

Accepted Answer

Mars once had water on its surface.

Answer

Mars has lots of Silicon on its surface.

Answer

Mars was once in the spot where Earth is.

Question 34

Which planet is this?

Accepted Answer

Venus

Answer

Mercury

Answer

Uranus

Answer

Neptune

Question 35

Which planet is this?

Accepted Answer

Uranus

Answer

Mercury

Answer

Venus

Answer

Neptune

Question 36

Which planet has a revolution of over 160 years?

Accepted Answer

Neptune

Answer

Jupiter

Answer

Saturn

Answer

Uranus

Question 37

Uranus has huge storms because of its extreme heat inside its core.

Accepted Answer

False

Answer

True

Question 38

Which of these conditions would you find on Venus?

Accepted Answer

All of these are correct

Answer

A crushing atmosphere

Answer

Extreme heat that can melt lead

Answer

Sulfuric acid clouds

Question 39

Neptune is 30 AU from the Sun. This means

Accepted Answer

It is 30 times further from the Sun than the Earth.

Answer

It is 10 times further from the Sun than the Earth.

Answer

It is 15 times further from the Sun than the Earth.

Answer

It is 45 times further from the Sun than the Earth.

Question 40

Which of these planets is the "twin" of Neptune?

Accepted Answer

Uranus

Answer

Jupiter

Answer

Saturn

Question 41

The gasses that envelope / surround a planet

Accepted Answer

Atmospheres

Answer

Orbits

Answer

Rotations

Answer

Revolutions

Question 42

If you see an object in space covered in craters, that means

Accepted Answer

It has little or no atmosphere.

Answer

It is very volcanic.

Answer

It is very cold and cannot melt asteroids.

Answer

It has dirt or ice filling them in.

Question 43

What are the rings of Saturn made out of that makes them so reflective?

Accepted Answer

Water Ice

Answer

Dirt / Rock

Answer

Methane

Answer

Ammonia

Question 44

In science, composition means

Accepted Answer

What materials / elements an object is made out of.

Answer

How fast a planet spins on its axis.

Answer

How a planet is heated from its core.

Answer

What colors a planet has on its solid surface.

Question 45

The greatest source of mass and gravity in the Solar System:

Accepted Answer

The Sun

Answer

Jupiter

Answer

Saturn

Answer

The Earth

Question 46

If a new planet was discovered past Neptune, it would have a revolution that was

Accepted Answer

Longer than Neptune's

Answer

The same as Neptune's

Answer

Shorter than Neptune's

Question 47

Which planet does this storm belong to?

Accepted Answer

Jupiter

Answer

Saturn

Answer

Uranus

Answer

Neptune

Question 48

I ask you what "period of revolution" means, and you say "a year!". Why might you be wrong?

Accepted Answer

The time is takes to revolve around the Sun is different for each planet.

Answer

The days are different on each planet.

Answer

Each planet has its own unique path around the Sun.

Question 49

What kind of moons are these?

Accepted Answer

Irregular Moons

Answer

Regular Moons

Question 50

The movement of an object around the Sun.

Accepted Answer

revolution

Answer

orbit

Answer

rotation

Answer

tide

Question 51

The TIME it takes an object to spin once on its side / axis is its _______.

Accepted Answer

period of rotation

Answer

rotation

Answer

revolution

Answer

period of revolution

Question 52

True or False: A day on Venus is longer than a year on Venus.

Accepted Answer

True

Answer

False

Question 53

What type of moon is this?

Accepted Answer

Regular

Answer

Irregular

Question 54

Each of these colored lines is a(n)

Accepted Answer

orbit

Answer

rotation

Answer

revolution

Question 55

Which of these planets have rings of rock? Click both correct choices.

Accepted Answer

Uranus

Accepted Answer

Neptune

Answer

Mars

Answer

Saturn

Answer

Venus

Question 56

Which of these match all 4 outer planets? Click all THREE that are correct!

Accepted Answer

Composition of lots of hydrogen and helium, with extra elements mixed in

Accepted Answer

10+ Moons

Accepted Answer

Ring systems

Answer

Solid, rocky surfaces

Question 57

The asteroid belt is between

Accepted Answer

Mars and Jupiter

Answer

Mars and Earth

Answer

Jupiter and Saturn

Answer

The Sun and Mercury

Question 58

True or False: The Asteroid Belt has so much material in it, you could build a huge planet with it all.

Accepted Answer

False

Answer

True

Planets Test

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