True/False (1 point each)
Indicate
whether the sentence or statement is true or false.
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1.
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Meteorology is the study of the earth’s oceans.
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2.
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Earth
science includes the study of oceans.
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3.
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Astronomy is a branch of earth science.
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4.
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Exploration for oil deposits would be done most likely by an ecologist.
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5.
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Meteorology is a major area of study within earth science.
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6.
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An
astronomer studies the universe beyond the earth.
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7.
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The
atmosphere is one part of the geosphere.
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8.
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An
ecosystem is a largely self-supporting, physically distinct system.
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9.
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Biodegradable wastes pose a major threat to the environment.
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10.
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The
hydrosphere contains all of the Earth’s water.
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11.
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One
way scientists state a problem is by asking questions based on observations.
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12.
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A
controlled experiment usually tests several variables at one time.
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13.
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Proposing a hypothesis is usually the first step when following scientific
methods.
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14.
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A
hypothesis must be tested before any observations can be made.
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15.
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Scientific research always follows the sequential steps called scientific
methods.
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16.
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Scientists have simulated climatic conditions on a computer to help explain the
extinction of the dinosaurs.
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17.
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Dust
raised by the impact of a meteorite on earth may have blocked the sun’s rays for many
years.
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18.
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Scientists believe that at one time an abnormally high amount of dust may have formed
a cloud over the earth.
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19.
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Controlled experiments have confirmed the meteorite-impact hypothesis.
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20.
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Iridium is a common element found in earth rocks.
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Multiple Choice (1 point each)
Identify the letter of the choice that best completes the statement
or answers the question.
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21.
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Which
of the following is a meteorologist most likely to study?
a. mountain
formations b. marine life c. rainfall trends
d. meteorites
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22.
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The
relationship between plants and animals in a lake would most likely be studied
by
a. a meteorologist. b. an ecologist. c. an
oceanographer. d. a geologist.
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23.
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Which
of the following would an astronomer be most likely to study?
a. a
comet’s path through the solar system b. the height of tides during a full
moon c. an iridium-laden rock layer produced by meteorites d. the
amount of solar energy absorbed by a tree
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24.
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The
ozone layer in the atmosphere shields the earth from
a. fluorocarbons. b. excessive heat from the sun.
c. pollution. d. the sun’s ultraviolet rays.
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25.
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Which
of the following is a part of the biosphere?
a. the
oceans b. the moon c. the earth’s core d. the
sun
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26.
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The
relationships shown in this diagram would most likely be studied by
a. a
geologist. b. an ecologist. c. a meteorologist.
d. an astronomer.
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27.
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The
largest ecosystem is called the
a. biosphere.
b. atmosphere. c. hydrosphere. d. geosphere.
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28.
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The
ozone in the upper atmosphere is a form of
a. carbon. b. hydrogen. c. oxygen.
d. silicon.
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29.
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The
ecosystem that encompasses all other ecosystems is called the
a. geosphere. b. atmosphere.
c. biosphere. d. hydrosphere.
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30.
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Which
of the following is an important means of gathering information?
a. stating
the problem b. making a measurement c. forming a
hypothesis d. stating a conclusion
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31.
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A
possible explanation of or solution to a problem is called
a. a
law. b. a hypothesis. c. a conclusion. d. an
observation.
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32.
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The
first step in using scientific methods to solve a problem is to
a. state
the problem. b. form a hypothesis. c. reach a
conclusion. d. gather information.
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33.
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The
meteorite-impact hypothesis is supported by the existence of layers of rock containing high levels of
ozone.
a. quartz. b. silicon.
c. ozone. d. iridium.
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34.
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The
meteorite-impact hypothesis is one explanation for the
a. background radiation in some galaxies. b. bright-line spectra
in some elements. c. a red shift in some stars. d. extinction of
the dinosaurs.
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Completion (1 point each)
Complete each
sentence or statement.
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35.
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A
controlled experiment is designed to test a single factor called a(n)
____________________.
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36.
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Geologists study the solid earth, which is called the
____________________.
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37.
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Scientists proposed the meteorite-impact hypothesis to explain the extinction of the
____________________.
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38.
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A
scientist’s possible explanation of or solution to a problem is called a(n)
____________________.
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Essay (6 points EACH)
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39.
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Describe the relationships between plants, animals, and microorganisms in a tropical
rain forest.
____________________________________________________________________
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____________________________________________________________________
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40.
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What
does the meteorite-impact hypothesis state?
____________________________________________________________________
____________________________________________________________________
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