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Solar System
Which planet is the coldest?
How many planets have a gas composition?
Solar System
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Solar system
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Answers
1
How many planets have a gas composition?
4
1
2
3
2
Which planet is the coldest?
Venus
Uranus
Mercury
Neptune
3
Which planet is the smallest?
Mars
Jupiter
Venus
Mercury
4
What do the four planets closest to the sun have in common?
The gases in the atmosphere.
Their solid, rocky surfaces.
The length of their days.
Their surface temperatures.
5
Telescopes make objects in the sky appear _____.
brighter
more colorful
larger
smaller
6
Which of the following statements about our sun is true?
It is a hot ball of oxygen and helium.
It is a super-heated liquid that glows red because of iron.
It is a dying planet.
It is a star made mostly of hydrogen and helium.
7
Would you predict that Rigel or Betelgeuse would appear brighter from Earth?
Betelgeuse because it is larger and closer to Earth
Betelgeuse because red supergiants are brighter than blue supergiants.
Rigel because blue supergiants are brighter than red supergiants.
Rigel because it is larger and closer to Earth.
8
How many planets are in our solar system?
9
8
7
5
9
Which planet is closest to the sun?
Mercury
Venus
Mars
Earth
10
Our _____ consists of the Sun, eight planets, and the moons that orbit them.
Solar System
Milky Way
Universe
Galaxy
11
Which planet is the furthest from the sun?
Earth
Mars
Uranus
Neptune
12
Which of the following is a difference between planets and stars?
Stars always orbit planets
Planets always orbit stars
All planets are made of rock
None of the above
13
Which one of the following planets is the biggest?
Earth
Mars
Jupiter
Saturn
14
Which of the following is a dwarf planet?
Jupiter
Pluto
Earth
Mercury
15
What is Jupiter's red spot?
Dust
Meteor Impact
Storm
Volcano
16
When looking at the night sky, why do planets and stars appear similar in size?
The inner planets are further away from Earth than other stars.
The planets are further away than other stars.
The larger planets are gas giants.
The planets are closer than other stars.
17
Which of these BEST describes the sun?
Medium-sized star
Small star
Very large star
Large star
18
A huge ball of gas that makes heat and light?
Moon
Asteroid
Flashlight
Star
19
Which planet is the perfect distance from the sun for life to exist?
Earth
Saturn
Mars
Jupiter
20
Constellations stay in one place while Earth moves.
True
False
21
How long does it take Earth to orbit the sun?
24 hours
247 days
365 days
5 weeks
22
Why are constellations not as bright as our sun?
The Sun is brighter than the other stars.
The Sun is closer than the other stars.
The Sun is bigger than the other stars.
The Sun is warmer than the other stars.
23
How are all the planets in our solar system alike?
They all orbit the sun.
They are all balls of hot gas.
They all have rocky surfaces.
They are all the same size.
24
What is the hottest planet?
Earth
Venus
Neptune
Mercury
25
Which planet spins on its side?
Earth
Mars
Saturn
Uranus
