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HS ES Chapter 28 Our Solar System
HS ES Chapter 28 Our Solar System
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High School Earth Science Chapter 28 (Our Solar System). From the McGraw texbook.
Flashcards
48 cards
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Questions
48
Answers
1
Solar system model when the Sun is the center and planets revolve around the Sun
geocentric
heliocentric
2
Many astronomers hypothesize that Saturn's rings were formed from
debris left over when a moon was destroyed by a collision
debris that escaped from Jupiter's gravitational pull
asteroids attracted by Saturn's gravitational pull.
debris left over from the formation of Saturn and its moons
3
A meteor is a meteoroid that bypasses the Earth's atmosphere
false
true
4
In the 1960's radar measurements showed that the surface of Venus is very hot and that it is:
orbiting slowly
rotating quickly
orbiting quickly
rotating slowly
5
The closest planet to the Sun is:
Mars
Earth
Mercury
Venus
6
Earth's allows water in solid, liquid and gas form
false
true
7
Venus's spin is an example of:
retrograde rotation
backward motion
backward rotation
retrograde motion
8
Which of Jupiter's moons is almost completely molten inside?
Ganymede
Europa
Io
Callisto
9
Saturn's largest moon is named
Europa
Io
Ganymede
Titan
10
Solid bodies hundreds of km in diameter that merged to form the planets
inner planets
planetesimals
solar nebula
interstellar clouds
11
Gas and dust from which stars and planets form
interstellar clous
tungsten
solar nebula
planetesimal
12
Earth's atmosphere is moderately dense and it is composed of 78% oxygen and 21% nitrogen
true
false
13
One day on Venus is equal to how many days on Earth
4 days
43 days
143 days
243 days
14
Saturn's average density is lower than that of:
methane
helium
water
hydrogen
15
The surface of Mercury is similar to the surface of:
Venus
the Moon
Mars
Earth
16
Mars is referred to as the red planet as a result of its high iron content and red appearance.
true
false
17
Believed to be the first large planet to develop
Jupiter
Uranus
Saturn
Neptune
18
Asteroids are thought to be planetesimals that never formed planets
true
false
19
What percentage of all planetary matter in the solar system is in Jupiter's mass?
70%
60%
40%
50%
20
Elliptical ratio of the distance between the foci and the max. length of axis
perihelion
aphelion
eccentricity
ellipse
21
The wobble in Earth's rotational axis is called precession.
false
true
22
Elements in the Jovian atmosphere remain in:
only liquid form
gas, liquid and solid form
only gas form
both gas and liquid
23
Unit of measure that is the average distance between the Sun and Earth
astronomical unit
aphelion
perihelion
angstrum
24
How many times bigger than Mercury is Earth
4 times
2 times
3 times
5 times
25
Motion of a planet moving in the opposite direction as observed from the Earth
rotation
revolution
retrograde
eccentricity
26
What is Jupiter's Great Red Spot?
an atmospheric storm
a surface ocean
a large moon
an ice cap
27
The form of hydrogen that has properties of both a liquid and a metal is:
magnetic hydrogen
liquid metallic hydrogen
liquid hydrogen
electric hydrogen
28
Low, warm, dark-colored, sinking clouds in Jupiter's atmosphere are known as:
the Great Red Spot
rings
zones
belts
29
A large meteorite will cause an impact when it collides with Earth
false
true
30
Jupiter's four moons are composed of:
ice and rock
clouds
ice
hydrogen and oxygen
31
Observations of Mercury suggest that it was originally much larger and similar to:
Earth
Venus
Mars
the Moon
32
One of the first elements to condense in the early solar system
helium
oxygen
tungsten
hydrogen
33
The ringlets and open gaps in Saturn's rings are caused by the gravitational effects of:
Saturn
Jupiter
the Sun
Saturn's moons
34
Point in a planet's orbit when it is farthest from the Sun.
aphelion
perihelion
35
Point in a planet's orbit when it is closest to the Sun
astronomical unit
aphelion
ellipse
perihelion
36
Galileo discovered Jupiter's:
Great Red Spot
rings
4 major satellites
12 smaller satellites
37
Lacking in satellites due to it proximity to the Sun
outer planets
Uranus
inner planets
Neptune
38
The four inner planets of our solar system are
interplanetary asteroids
terrestrial planets
gas giant planets
meteorites
39
Rotating disk of dust and gas that formed the Sun and planets
interstellar clouds
solar nebula
tungsten
planetesimals
40
Model of the solar system where the planets revolve around the Earth
heliocentric
geocentric
41
The atmosphere of Venus is mostly:
carbon dioxide and nitrogen
oxygen
nitrogen and oxygen
sodium
42
Most asteroid are located between Mars and Jupiter in the asteroid belt.
false
true
43
Asteroids orbit the Sun and range from a few kilometers to about 100 km in diameter.
true
false
44
The brightest planet in Earth's nighttime sky is:
the Moon
Mercury
Mars
Venus
45
A meteoroid is a broken fragment of an asteroid or other interplanetary material
true
false
46
Mars's atmosphere is similar to Venus and has a strong greenhouse effect.
true
false
47
Jupiter spins once on its axis in a little less than:
10 hours
12 hours
2 hours
5 hours
48
The southern hemisphere of Mars is dominated by sparsely cratered plains
false
true
