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Ch. 21 SF The Solar System Flashcards | StudBud
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Ch. 21 SF The Solar System
Ch. 21 SF The Solar System
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Glencoe 6th grade Earth Science
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
Except one, what makes the outer planets similar?
they are about the same size
the have rings
they're atmospheres are mostly hydrogen and helium
they have many moons
2
Which planet has no atmosphere?
the Moon
Mercury
Ceres
The Sun
3
Comets are different from asteroids because of all of the following except...
the Sun's energy pushes gas and dust away from the nucleus
they have a tail
they orbit the Sun in the asteroid belt
long-period comets come from the Oort cloud
4
You learned a lot about science in 6th grade.
Disagree
Agree
5
A meteoroid that enters Earth's atmosphere and strikes Earth's surface is called ...
meteorite
meteoroid
meteor
asteroid
6
What is our smallest planet and the largest planet in the solar system?
Mars and Jupiter
Pluto and Jupiter
Mercury and Saturn
Mercury and Jupiter
7
What is the largest planet?
Uranus
Mars
Jupiter
Saturn
8
Which inner planet is known for being red due to the large amount of iron in the soil?
Mercury
Jupiter
Venus
Mars
9
What forms on the surface of a planet, moon, has a round shape, & results from a meteor strike.
meteoroid
hole
meteorite
impact crater
10
All are characteristics of Pluto except...
objects of similar mass orbit nearby
has 3 moons
orbits the Sun
it is a perfect sphere
11
A small rocky particle in space and most often is about the size of a grain of sand is...
a meteor
an asteroid
a meteoroid
a meteorite
12
Which of the inner planets is the hottest?
Mars
Earth
Mercury
Venus
13
What cause the hottest inner planet to be so hot?
the surface is covered with lava
there is a strong greenhouse effect
the atmosphere is mostly hydrogen and helium
the surface has no atmosphere
14
Name the outer planets?
Venus, Uranus, Saturn, Jupiter
Mars, Jupiter, Saturn, Neptune
Neptune, Uranus, Pluto, Saturn
Jupiter, Uranus, Neptune, Saturn
15
All except one are reasons Earth is the only planet with a different
atmosphere
than the others
Earth's atmosphere is made of water vapor and other gases.
Earth has moderate temperatures and liquid water.
The atmosphere of Venus and Mars are mostly carbon dioxide.
Earth's atmosphere is the only one that can support life.
16
What does an Astronomical unit measure?
The distance from Mercury to the Sun
The distance between all the inner planets
The distance from Earth to the Sun
The distance from Mars to Jupiter
17
An interesting fact about Saturn is
it is the least-dense planet
rings are made of ice & dust some as large as dwarf planets
it has 6 of the most complex ring bands in the solar system
It has a Giant Red Spot
18
What is the shape of most planets' orbits?
a corkscrew
a straight line
an ellipse
a circle
19
Which planets are the inner planets?
The Sun, the asteroid belt, the Kuiper belt, the OOrt cloud
Earth, Mars, Jupiter, Saturn
Mercury, Venus, Earth, Mars
Jupiter, Saturn, Uranus, Neptune
20
The inner planets are called ______________ planets because they have solid surfaces.
gas giants
terrestrial
lava planets
dwarf planets
21
Comets are made out of ...
meteoroids
asteroids, rock, ice
dust, rock, ice
chunks of rock and ice that didn't clump together
22
Which planet has a sideways axis of rotation?
Jupiter
Uranus
Neptune
Saturn
23
What is the farthest planet from the Sun in our solar system?
Neptune
Uranus
Pluto
Jupiter
24
Io, Europa, Ganymede, and Callisto are Galilean moons of which planet?
Uranus
Neptune
Saturn
Jupiter
25
What do you call planets that have many moons and are made of gas?
gassies
gas guzzlers
many mooned planets
gas giants
26
Which planet is closest to the Sun?
Venus
Mars
Mercury
Earth
27
Long-period comets come from _______________
the Oort cloud
the Kuiper belt
the asteroid belt
28
A meteoroid that enters Earth's atmosphere is called a ...
meteorite
asteroid
meteoroid
meteor
29
Find the only characteristic of asteroids...
most are found in the asteroid belt between Mars and Jupiter
short-period asteroids take less than 200 years to orbit Sun
they are a mixture of dust, rock and ice
their particles are held together by gravity
30
Short-period comets come from _____________
the asteroid belt
the Kuiper belt
the Oort cloud
