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Solar system
Solar system
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Exploring our Solar system
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
Which is the hottest planet?
Uranus
Venus
Mercury
Saturn
2
The sun is a ..................... at the center of our solar system.
meteor
star
comet
planet
3
Our sun and all of the planets that travel around it are called the ...............
galaxy
solar sytem
black hole
milky way
4
Which planet is shown in the picture?
Mars
Jupiter
Mercury
Neptune
5
I am sometimes called Earth's twin planet. We are very close to the same size.
Venus
Mars
Mercury
Jupiter
6
Large bodies of rock or gas that revolve around a star are called ....................
asteroid
meteor
planets
comet
7
Is Mercury composed of rock or gases?
Rock
Gas
8
Earth is the ........................planet from the sun.
2nd
4th
3rd
5th
9
How old is the solar system?
500 billion years
5 million years
5 billion years
5000 years
10
The planets known as the giant planets are also known as the outer planets?
False
True
11
How long does it take for light from the Sun to reach Earth?
1 minute
Instantaneous
24 hours
8 minutes
12
All of the following are inner planets EXCEPT:
Neptune
Venus
Mars
Earth
13
What keeps planets in their orbits?
electricity
light
gravity
magnetism
14
Mercury is hard to see without a telescope.
False
True
15
A rocky object that orbits the sun .............
Meteor
Comet
Star
Asteroid
16
Mercury is NOT the hottest planet in the solar system.
False
True
17
If the Earth were closer to the sun
the oceans would dry up.
we could not survive
the temperature would be much hotter.
all of the above.
18
A moon is an object that revolves around a .................
star
asteroid
meteor
planet
19
What is the closest star to Earth?
Venus
Sun
Mercury
Mars
20
The terrestrial planets are:
Mercury, Venus, Saturn, Neptune
Neptune, Uranus, Earth, Mars
Mercury, Venus , Earth , Mars
Jupiter, Saturn, Uranus, Neptune
21
It is the smallest planet in our solar system
True
False
22
How long does it take the Earth to orbit the Sun?
88 days
365 days
29.5 years
12 years
23
The sun pulls on the Earth with a force called .........
pull
magnetism
gravity
power
24
Earth rotates on its
orbit
poles
ring
axis
25
How many moons does Mercury have?
2
12
0
4
26
What comes between the inner and outer planets?
the Sun
an asteroid belt
the Milky Way
Kupier belt
27
What is a moon?
a satellite of any planet
the natural satellite of the earth
a small planet
28
To move in a circle around an object is to .............
eclipse
revolve
rotate
shadow
29
Which planet is closest to the sun?
Uranus
Venus
Mars
Mercury
30
The terrestrial planets are
Mercury, Saturn , Earth, Mars
Pluto. Saturn, Neptune, Venus
Earth, Mars, Uranus, Neptune
Mercury, Venus, Earth, Mars
31
The largest planet in our solar system is ..........
Uranus
Jupiter
Mercury
Saturn
32
What is a comet?
none of the above
an astronomical object with a long tail
a small moon
both a and b answers are correct
