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Solar System Review Flashcards | StudBud
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Solar System Review
Solar System Review
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1
How many planets are in the Solar System?
only one--the Sun
8
17
6
2
The 24 hours the Earth takes to spin one time on its axis is called a...
rotation.
week.
year.
revolution.
3
The space shuttle was the first space exploration vehicle that was able to do what?
Land back on Earth and be used again, multiple times.
Break free of Earth's gravity.
Carry humans safely into space.
Communicate with a crew back on Earth.
4
True or False? The Earth's revolution around The Sun takes around 365 days or one year.
False
True
5
Look at the picture below. What are these objects that usually burn up in Earth's atmosphere?
Stars
Asteroids
Meteors
Comets
6
The upper layers of the outer planets are mostly made of...
metals
rock
gases
liquids
7
In astronomy, a "revolution" is....
the amount of time a planet takes to circle its way around another the Sun.
the amount of time a planet circles its way around the Earth.
the amount of time a planet takes to circle around on its own axis.
the amount of time a planet circles its way around the galaxy.
8
Space Exploration has had a posititve impact on which of the following?
all of the above
clothing and fabrics
transportation
medical equipment
9
[TWO CORRECT ANSWERS] The outer planets are gas giants and include __________, Saturn, __________, and Neptune.
Uranus
Pluto
Jupiter
Mars
10
Which pair of planets listed below are the most similar in size and composition?
Saturn and Jupiter
Earth and Mars
Mecury and Venus
Uranus and Neptune
11
[TWO CORRECT ANSWERS] Without the ________ and ________ that the sun provides, life on Earth would not be possible.
heat
radiation
light
water
12
The Earth revolves on its ____ once every 24 hours or so. This is an imaginary line on which a planet rotates.
equator
axis
meridian
side
13
True or False: the reason we have seasons is due to the Earth revolving around the sun at an angle.
False
True
14
What does "rotate" mean?
to move up and down on an axis
to spin on an axis
to go around another object
to move side to side
15
What is this (the larger object) a picture of?
Jupiter
Saturn
The Sun
Mercury
16
In 1969, the first humans landed on the moon. Which NASA mission accomplished this feat?
Artemis I
Discovery 8
Apollo 11
Luna 13
17
The correct order of the inner planets is (from the Sun):
Mars, Venus, Earth, Mercury
Mercury, Venus, Earth, Mars
Mars, Earth, Mercury, Venus
Mercury, Earth, Venus, Mars
18
The minor objects that orbit around the Sun in a "belt" between the orbits of Mars and Jupiter are...
meteoroids.
asteroids.
comets.
dwarf planets.
19
Which of the following is NOT a type of minor object that orbits the Sun?
Asteriods
Comets
Planets
Meteors
20
The curved, elliptical path that a celestial object takes around another object in space is called
an orbit.
rotation..
inertia.
gravity.
21
Which of the following is NOT a characteristic of the terrestrial planets?
They are colder than the outer planets.
The are closer to the Sun than the outer planets.
They are smaller than the outer planets.
The have way less moons than the outer planets.
22
The further a planet (or other celestial object) is from the Sun, the _________ it is going to be.
colder
warmer
larger
smaller
23
Which of the following is NOT a human need that must be met in order for astronauts to survive in space?
food
artificial gravity
water
protection from radiation
24
What is the definition of a planet?
a celestial object in a fixed position around a star
a celestial body moving in orbit around a star
a celestial object that produces heat and light through nuclear fusion
a celestial body moving in orbit around a moon
25
If the Sun were to suddenly lose all of it gravity, what would happen to all of the other objects orbiting the Sun?
They would fly directly away from the Sun.
They would all crash into each other.
They would fly in a straight line away from the point they leave orbit.
They would fly directly into the Sun.
26
The first astronomer to use a telescope and discover the outer planets and some of Jupiter's moons was
Sir Isaac Newton
Alfred Wegener
Albert Einstein
Galileo Galilei
27
What is the force that keeps all objects in orbit around the Sun?
friction
air resistance
gravity
inertia
