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4th Solar System Flashcards | StudBud
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4th Solar System
4th Solar System
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4th grade solar system review
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Which of these planets has 1 moon?
Venus
Mars
Mercury
Earth
2
True or False? Because Mercury is the closest to the Sun, it is the hottest planet.
True
False
3
This planet is the only planet able to sustain life:
Earth
Venus
Mercury
Mars
4
What space program exists in the U.S.?
ESPCA
NACA
NASA
NASP
5
Another name for them is shooting stars because as they burn up in our atmosphere, we see light
comets
meteors
asteroids
meteorites
6
This planet was considered a planet for 76 years until 2006 it was changed to a dwarf planet
Neptune
Jupiter
Pluto
Uranus
7
Large chunks of rock or metal in space are called:
comets
meteoriods
asteroids
meteors
8
True or False? The Moon is a satellite?
False
True
9
Which of these is NOT a reason probes are better to send than astronauts to space?
they are cheaper
they take longer to reach their destination
they are built to withstand the conditions that exist there
they are safer
10
How many known planets are in our solar system?
10
9
7
8
11
What is the center of or solar system?
Mars
the Sun
Earth
the Moon
12
True or False? Planets can make their own light.
True
False
13
The gas giants are made mostly of:
hydrogen and helium
hydrogen and oxygen
helium and oxygen
14
True or False? The gas giants have solid surfaces.
True
False
15
Which planet is the largest planet in our solar system?
Uranus
Neptune
Saturn
Jupiter
16
What makes far away objects appear closer?
microscopes
telescopes
space shuttles
curved lenses
17
The orbits the planets make around the Sun are called _____
rotations
eclipses
ellipses
circles
18
True or False? Mars is slightly similar to Earth, but much colder.
True
False
19
Triton is its largest moon and it is the furthest gas giant from the Sun.
Pluto
Neptune
Jupiter
Uranus
20
Which planet has an axis tilted so much that it rotates on its side?
Neptune
Pluto
Jupiter
Uranus
21
The 4 planets closest to the Sun are called the:
liquid planets
rocky planets
hard planets
gas planets
22
This planet has many craters and almost no water or air:
Earth
Mercury
Mars
Venus
23
This planet has a very thick atmosphere which traps in heat:
Earth
Mars
Venus
Mercury
24
This planet has volcanoes that are no longer active and a reddish color due to iron oxide-rust
Venus
Earth
Mars
Mercury
25
True or False? The gas giants have many moons.
False
True
26
The 4 planets beyond Mars are called the:
giant gases
gas dwarfs
gas giants
27
Which planet is famous for its rings made of pieces of ice and rock?
Neptune
Jupiter
Venus
Saturn
28
Which of these is NOT one of the rocky planets?
Mercury
Earth
Saturn
Venus
29
The Sun and all the objects in orbit around it make up the:
orbit
satellite
Planets
Solar System
30
Newton studied which forces to explain how the planets stay in orbit?
inertia and tension
friction and inertia
gravity and inertia
gravity and friction