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Ch. 14 The Solar System Flashcards | StudBud
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Ch. 14 The Solar System
Ch. 14 The Solar System
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An 8th grade review of Ch. 4, The Solar System. #science #8thgrade #space #solarsystem
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
Most asteroids orbit the Sun in the ________ which is between Mars & Jupiter.
Asteriod belt
Kuiper belt
Milky Way
Oort cloud
2
Because the four outer planets are so large, they are often called
humongous planets
OMG planets
gas giants
giant spheres
3
Has a thick atmosphere composed mainly of Hydrogen and helium.
Saturn
Neptune
Jupiter
Uranus
4
Which body accounts for more than 99 percent of the mass of our solar system?
Earth's moon
the sun
planets
comets
5
Aside from Earth, which inner planet once had liquid water on its surface?
Mars
Mercury
Europa
Venus
6
What is distinctive about Jupiter?
It is smaller and denser than the other outer planets.
It is the largest and most massive planet.
Its axis of rotation is tilted 90 degrees.
It is the planet with the most spectacular rings.
7
_______ are areas of gas on the sun that are COOLER than the gases around them
sunspots
prominences
solar flares
solar winds
8
When a meteoroid passes through Earth's ATMOSPHERE it's a
the solar wind.
debris from other planets.
meteorites.
meteor
9
Uranus is different from most other planets because it
has the most moons.
rotates on its side.
is mostly nitrogen and helium.
is the farthest from the sun.
10
Saturn’s rings are made up mostly of
volcanic dust particles
ice and water vapor
nitrogen and helium
chunks of ice and rock
11
What do all of the inner planets have in common?
They all have abundant liquid water.
They all have many moons.
They all are small and have rocky surfaces.
They all have rings.
12
Which is the smallest terrestrial planet and has no volcanoes or moons?
Earth
Mars
Venus
Mercury
13
The Scientist who first used the telescope to support the heliocentric model was
Copernucus
Galileo
Kepler
Ptolemy
14
Loops of gas on the sun that link sun spots together
solar flares
solar winds
Prominences
auroras
15
Between Mars and Jupiter is a region of the solar system called the
Asteroid belt
Kuiper belt
Oort cloud
Milky Way
16
All known dwarf planets except Ceres orbit in the
Milky Way
Oort cloud
Kuiper belt
Asteriod belt
17
The inner planets that experience a greenhouse effect are
Earth and Mars
Venus and Earth
Mercury and Earth
Venus and Mars
18
Small asteroid-like bodies that became the
building blocks for the planets
are called
planetesimals
meteoroids
open clusters
comets
19
Mars and Venus have an atmosphere that is composed mostly of
hydrogen
nitrogen
carbon dioxide
oxygen
20
In a heliocentric system,
all planets revolve around the Sun.
Earth is the center of the Universe.
the Sun appears to move backward among the planets .
the sun revolves around Earth.
21
The stream of particles that extends outward from the sun's corona is called
solar winds
prominences
auroras
solar flares
22
The Sun, eight planets and their moons, and several kinds of smaller objects make up the _____.
Asteroid Belt
Galaxy
Universe
Solar System
23
One complete revolution of Earth around the sun takes about
one eclipse
one year
one rotation
one season
24
Used Tycho Brahe's observations to show planet’s orbit is an Ellipses was discovered by
Kepler
Copernicus
Newton
Galileo
25
Most ____ originate in the Oort cloud & are a loose collection of ice, dust, and rock particles.
asteroids
Asteriod belt
comets
meteors
26
All of the _______________ planets have many moons.
dwarf
outer
inner
rocky
27
The heliocentric system gained support when Galileo observed that
Venus goes through phases similar to those of Earth's moon.
the orbit of each planet is an ellipse.
most of the smaller planets are closer to the sun.
one side of the moon always faces Earth.
28
Neptune is very similar in size and color to
Uranus
Saturn
Earth
Jupiter
29
All the inner planets have an atmosphere except
Mercury
Venus
Mars
Earth
30
Earth’s 3 main layers from the
inside out
are
mantel, crust, core
mantle, core, crust
core, mantle, crust
crust, mantle, core
31
Which of the following characteristic(s) do the outer planets share?
All of the outer planets have rings around them.
All of the outer planets contain life.
All of the outer planets have liquid water.
All of the outer planets have dense rocky surfaces.
32
Which model of the solar system has Earth at the center of the revolving planet and stars?
mercurian
geocentric
heliocentric
Newtonian
33
Distances within the solar system are often measured in _______.
gravity
au/astronomical units
light waves
kilometers
34
Earth's rotation takes about
1 month
6 months
24 hours
365 days
35
Venus and Earth are much alike in terms of
their atmospheres.
their rates of rotation.
their direction of rotation.
their size and density.
