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The Solar System Flashcards | StudBud
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The Solar System
The Solar System
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#science #McGrawhill #cool
Flashcards
25 cards
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Questions
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Answers
1
A ________ is a small rocky particle that moves through space.
shooting star
meteoroid
comet
meteor
2
______ is the gravitationally bound planetary system of the Sun and the objects that orbit it.
The Solar System
The Milky Way
The Sun
orbit
3
What divides the Inner Planets and the Outer Planets?
Jupiter
Kupier Belt
Asteriod Belt
An Imaginary Line
4
Once a meteor stirkes the surface it becomes a ________
meteoroid
meteorite
5
Why is Mars red?
Because its soil contains iorn oxide
Becausae its atmosphere is 95% carbon dioxide
Beacause of all the lava flows
Because there is no life
6
What is the closest planet to the Sun?
Venus
Mercury
Mars
Earth
7
How many known planets are in the Solar System?
27
10
8
320
8
The Sun makes up want percentage of the Solar System's mass?
25%
36%
83%
99%
9
__is a round depression formed on the surface of a planet or other space object by a meteorite.
Impact crater
Mercury surface
Ice clump
The Magellan
10
Earth is the only planet with water.
True
False
11
What are Saturn's rings made out of?
Plastic
Crystals
Rock and Ice.
Light
12
How many stars are in the Solar System?
110,238,950 stars
Billions and Billions of stars
128 stars
1 star
13
A ______ is made of gas, dust, and ice. It moves around the sun in an oval-shaped orbit
Comets
meteor
Planets
Pluto
14
______ is the average distance from the Earth to the Sun.
150 million km
kilometers
astronomical unit
distance
15
Millions of small rocky objects are called _________
rocks
Asteroids
Gas Giants
comets
16
Why are the Outer Planets called The Gas Giant
because they are HUGE
Because they are made up of gases and they are HUGE
Becase they are all mostly made up of gases
17
The_____occurs when a planet's atmosphere traps solar energy and increases surface temperature.
Atmospheric Pressure
Water Vapor
Solar Energy
Greenhouse effect
18
Do planets create their own light?
No, they reflect off the Sun.
Yes, it comes or their cores.
19
Venus is about the same size as _________
Mars
Earth
MakeMake
Uranus
20
______ are the planets closets to the Sun, made of rock and metal, and have solid outer layers.
Earth
Dwarf planets
atmosphere
Terrestrial planets
21
How many more times father away is Earth from the Sun than Jupiter?
12
5
652
420
22
A _________ is meteoroid that strikes a planet or a moon.
Vesta
meteorite
Asteroid
Ceres
23
Why doesn't Mercury have an atmostphere?
It is to close to the Sun so it is to hot.
Not enough mass to hold an atmosphere.
It has no moons.
It orbits to fast.
24
Io, Europa, Ganymede, and Callisto the four largest moon of Jupiter are know as _________
Dwarf planets
Ice particles
Galilean moons
Meteorites
25
A ________ is a streak of light in earths atmosphere made by a glowing meteoroid.
A moon
Asteroid belt
Meteor
Star
