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WorksheetsEarth Sci S2 Practice Final
Total questions: 70
Worksheet time: 40mins
Name
Class
Date
1.
Which of these has no particular shape?
a)
quasar
b)
irregular galaxy
c)
spiral galaxy
d)
elliptical galaxy
2.
Which of these can be nearly spherical to very elongated?
a)
quasar
b)
irregular galaxy
c)
spiral galaxy
d)
elliptical galaxy
3.
Which of these has a nucleus of bright stars with arms that circle around it?
a)
quasar
b)
irregular galaxy
c)
spiral galaxy
d)
elliptical galaxy
4.
Which of these is a luminous object producing energy at a high rate?
a)
quasar
b)
irregular galaxy
c)
spiral galaxy
d)
elliptical galaxy
5.
Earth is
a)
A planet similar to Earth in size, mass & density
b)
A planet with massive volcanoes & canyons with seasons similar to Earth's.
c)
The planet closest to the Sun, has a heavily cratered hot surface.
d)
The only planet capable of supporting life.
6.
Mercury is
a)
A planet similar to Earth in size, mass & density
b)
A planet with massive volcanoes & canyons with seasons similar to Earth's.
c)
The planet closest to the Sun, has a heavily cratered hot surface.
d)
The only planet capable of supporting life.
7.
Mars is
a)
A planet similar to Earth in size, mass & density
b)
A planet with massive volcanoes & canyons with seasons similar to Earth's.
c)
The planet closest to the Sun, has a heavily cratered hot surface.
d)
The only planet capable of supporting life.
8.
Venus is
a)
A planet similar to Earth in size, mass & density
b)
A planet with massive volcanoes & canyons with seasons similar to Earth's.
c)
The planet closest to the Sun, has a heavily cratered hot surface.
d)
The only planet capable of supporting life.
9.
A planet with a complex ring system made of dust & icy debris.
a)
Gas giant
b)
Saturn
c)
Jupiter
d)
Uranus
10.
A large planet with a deep & massive gaseous atmosphere; less dense than terrestrial planets
a)
Gas giant
b)
Saturn
c)
Jupiter
d)
Uranus
11.
The largest planet in the solar system; has alternating light and dark bands.
a)
Gas giant
b)
Saturn
c)
Jupiter
d)
Uranus
12.
A planet whose atmosphere may contain large amounts of methane.
a)
Mars
b)
Saturn
c)
Jupiter
d)
Uranus
13.
The lowest layer of the atmosphere in which temp. drops constantly as altitude increases; the level where most weather exists.
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
14.
The layer of the atmosphere in which the temperature increases as altitude increases; contains the ozone layer.
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
15.
The coldest layer of the atmosphere in which the temperature decreases as altitude increases.
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
16.
The uppermost of these layers of the atmosphere; includes the ionosphere.
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
17.
An air mass that originates in southern Atlantic and Pacific areas and brings warm, moist air.
a)
continental polar
b)
maritime tropical
c)
maritime polar
d)
continental tropical
18.
An air mass that originates in northern Atlantic and Pacific areas and brings cold, moist air.
a)
continental polar
b)
maritime tropical
c)
maritime polar
d)
continental tropical
19.
An air mass that originates in Canada and brings cold, dry air.
a)
continental polar
b)
maritime tropical
c)
maritime polar
d)
continental tropical
20.
An air mass that originates in the U.S. Southwest and brings dry, warm air.
a)
continental polar
b)
maritime tropical
c)
maritime polar
d)
continental tropical
21.
The front edge of a moving mass of cold air that pushes beneath a warmer air mass like a wedge.
a)
Cold front
b)
Warm front
c)
Tornado
d)
Hurricane
22.
The front edge of advancing warm air mass that replaces colder air with warmer air
a)
Cold front
b)
Warm front
c)
Tornado
d)
Hurricane
23.
An area of low pressure, rotating wind that moves toward the rising air of the central low-pressure system
a)
tornado
b)
hurricane
c)
mid latitude cyclone
d)
thunderstorm
24.
A destructive, rotating, funnel-shaped column of air with high wind speeds
a)
tornado
b)
hurricane
c)
mid latitude cyclone
d)
thunderstorm
25.
A brief, heavy storm with rain, wind, lightning, and thunder
a)
tornado
b)
hurricane
c)
mid latitude cyclone
d)
thunderstorm
26.
A severe storm that develops over tropical oceans, whose strong winds spiral in toward the low-pressure storm center
a)
tornado
b)
hurricane
c)
mid latitude cyclone
d)
thunderstorm
27.
an instrument that measures and indicates temperature
a)
anemometer
b)
barometer
c)
wind vane
d)
thermometer
28.
an instrument used to determine the direction of the wind
a)
anemometer
b)
barometer
c)
wind vane
d)
thermometer
29.
an instrument used to measure wind speed
a)
anemometer
b)
barometer
c)
wind vane
d)
thermometer
30.
an instrument that measures atmospheric pressure
a)
anemometer
b)
barometer
c)
wind vane
d)
thermometer
31.
What color are the coolest stars?
a)
orange
b)
red
c)
blue
d)
white
32.
A star moving away from the Earth has a spectrum that is
a)
losing its color.
b)
shifted toward red.
c)
shifted toward blue.
d)
unchanged.
33.
Scientists determine the composition and temperature of stars
a)
by sampling matter on the surface of stars.
b)
through magnetic testing.
c)
by analyzing the spectra of the light that stars emit.
d)
by analyzing the vibrations that stars emit.
34.
During the main sequence stage, how is energy generated in a star’s core?
a)
Helium fuses into hydrogen.
b)
Carbon
fuses into oxygen.
c)
Carbon fuses into hydrogen.
d)
Hydrogen fuses into helium.
35.
What type of galaxy is the Milky Way?
a)
spherical
b)
irregular
c)
spiral
d)
elliptical
36.
What is a light-year?
a)
the distance light travels in a year
b)
the distance to the sun
c)
the speed of light in a year
d)
the time it takes to travel to a star
37.
What color are the hottest stars?
a)
white
b)
yellow
c)
blue
d)
red
38.
What is apparent magnitude?
a)
the brightness of a star as it appears from Earth
b)
the brightness of the moon as it appears from Earth
c)
the numerical size of a star
d)
the true brightness of a star
39.
What is absolute magnitude?
a)
the brightness of a star as it appears from Earth
b)
the brightness of the moon as it appears from Earth
c)
the numerical size of a star
d)
the true brightness of a star
40.
What is important about Hubble’s discovery that there is a red shift in the spectra of galaxies?
a)
It proves the big bang theory.
b)
It suggests that the universe is contracting.
c)
It suggests the existence of black holes.
d)
It suggests that the universe is expanding.
41.
What are constellations?
a)
recognizable groups of galaxies and the regions of space surrounding
them
b)
patterns of stars and galaxies that can be identified with color spectra
c)
apparently fixed, recognizable patterns of stars and the regions of
space around them
d)
groups of stars that can only be distinguished with special equipment
42.
The observed change in the frequency of a wave when either the source or observer is moving is known as
a)
parallax.
b)
apparent magnitude.
c)
absorption spectra.
d)
Doppler shift.
43.
How do stars with a negative number for their apparent magnitudes compare to stars with a positive number for their apparent magnitudes?
a)
They are reddish in color.
b)
They appear dimmer in the sky.
c)
They are older than other stars in the sky.
d)
They appear brighter in the sky.
44.
A rapidly spinning neutron star that emits bursts of radio and optical energy is a
a)
red giant.
b)
supernova.
c)
pulsar.
d)
black hole.
45.
About 99% of all matter contained in the solar nebula now exists in
a)
planets
b)
the sun
c)
asteroids
d)
space
46.
Which of the following planets do scientists NOT consider a major planet?
a)
Pluto
b)
Mercury
c)
Neptune
d)
Saturn
47.
Small bodies that orbit planets are called
a)
planetesimals.
b)
moons.
c)
protoplanets.
d)
comets.
48.
When early Earth’s atmosphere formed, which of the following gases were lost because Earth’s gravity was too weak?
a)
helium and nitrogen
b)
oxygen and helium
c)
helium and hydrogen
d)
hydrogen and ozone
49.
Who believed that planets moved in epicycles as they revolved in larger circles around Earth?
a)
Newton
b)
Copernicus
c)
Ptolemy
d)
Aristotle
50.
The relationship between the average distance of a planet from the sun and the planet’s orbital period is described by the
a)
law of equal areas.
b)
law of ellipses.
c)
law of motion.
d)
law of periods.
51.
Who proposed a heliocentric model of the universe, in which the planets revolve at different speeds around the sun?
a)
Galileo
b)
Copernicus
c)
Kepler
d)
Newton
52.
Which of the following laws describes the speed at which objects travel at different points in their orbits?
a)
law of equal areas
b)
law of periods
c)
law of ellipses
d)
law of eccentricity
53.
The law that describes how a planet orbits the sun is called the
a)
law of orbital periods.
b)
law of periods.
c)
law of equal areas.
d)
law of ellipses.
54.
Which of the following is NOT true of all the inner planets?
a)
They do not have rings.
b)
They are called gas giants.
c)
They are made of solid rock.
d)
hey have impact craters.
55.
The right combination of temperature, water, and oxygen
a)
results in storms on Jupiter.
b)
causes gas giants to form.
c)
affects Neptune’s orbit.
d)
supports life on Earth.
56.
The two inner planets most alike in size, mass, and density are
a)
Mars and Mercury.
b)
Mercury and Venus.
c)
Venus and Earth.
d)
Earth and Mars.
57.
Which of the following planets has the most complex ring system?
a)
Uranus
b)
Jupiter
c)
Neptune
d)
Saturn
58.
The early atmosphere developed when many volcanic eruptions released large amounts of gases in a process called
a)
outgassing.
b)
ozone.
c)
lava flow.
d)
combustion.
59.
A rotating cloud of gas and dust from which Earth’s solar system formed is called a(n)
a)
supernova.
b)
solar eclipse.
c)
astronomical explosion.
d)
solar nebula.
60.
The two most abundant compounds in the atmosphere are carbon dioxide and
a)
particulates.
b)
water vapor.
c)
nitrogen oxide.
d)
ozone.
61.
All of the following are particulates in the atmosphere EXCEPT
a)
gases.
b)
salt.
c)
pollen.
d)
dust.
62.
Which processes remove water vapor from the air?
a)
condensation and precipitation
b)
evaporation
and transpiration
c)
transpiration and condensation
d)
precipitation and evaporation
63.
Radiation whose wavelengths are among the shortest are
a)
radio waves.
b)
infrared waves.
c)
X rays.
d)
visible light.
64.
The warming of the surface and lower atmosphere of Earth that occurs when carbon dioxide, water vapor, & other gases in the air absorb & reradiate infrared radiation is known as
a)
radiation.
b)
greenhouse effect.
c)
electromagnetic energy.
d)
thermal heat.
65.
As lower layers of air are warmed,
a)
the air dries.
b)
the air rises.
c)
the air sinks.
d)
winds form.
66.
A large body of air throughout which temperature and moisture content are similar is a(n)
a)
air mass.
b)
storm.
c)
air pressure.
d)
wind belt.
67.
Continental polar, maritime polar, continental tropical, and maritime tropical are types of
a)
air systems.
b)
air masses.
c)
air fronts.
d)
air flow.
68.
Air masses responsible for cool, dry air in northern summers are
a)
maritime polar.
b)
continental tropical.
c)
maritime tropical.
d)
continental polar.
69.
An air mass that originates in the Pacific or Atlantic Ocean and brings warm, moist air is called
a)
maritime polar.
b)
continental tropical.
c)
maritime tropical.
d)
continental polar.
70.
This reacts to ozone, breaking it down, which lead to a hole in the Ozone layer.
a)
CFCl
b)
H2SO4
c)
CFC
d)
O3
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