Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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What is a pattern in nature?
a. | A collection of scientific theories that helps scientists
understand the world | c. | An arrangement of objects that are in
predictable places | b. | The repeated occurrence of
an event in a predictable way | d. | A set of measurements that answers a scientific
question |
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2.
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What makes a hypothesis testable?
a. | It must follow the scientific method. | c. | It must ask a scientific question. | b. | It must be predictable. | d. | It must be able to be
proved right or wrong. |
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3.
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Which of the following experiments would be
considered unethical?
a. | Addressing possible risks to fish before testing a new
pesticide | c. | Taking blood samples from patients for research purposes without
consent | b. | Using the fewest animals necessary for an
experiment | d. | Testing irritating substances on an animal's skin but restricting it to very small
areas |
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4.
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Why do scientists use the scientific method?
a. | It helps them come up with a testable scientific
question | c. | It helps them analyze their data. | b. | It helps them prove their hypotheses. | d. | It helps them avoid
mistakes and produce reliable information. |
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5.
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Chemistry and biology are so closely related that sometimes
the fields overlap. Which of the following experiments might both chemists and biologists
do?
a. | Study how cholesterol is broken down in the
body | c. | Study what kinds of minerals are found in
volcanoes | b. | Study how well different types of fuel work in
engines | d. | Study how gravity affects the orbit of Pluto's
moons |
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6.
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When is a scientific theory formed?
a. | When a scientific idea has been tested many times without being
proven wrong | c. | When an experimental result becomes a proven
fact | b. | When an experiment has been repeated many
times | d. | When a hypothesis is supported by the experiment |
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7.
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Which of the following is a scientific question about the
planet Jupiter?
a. | Why is Jupiter a fascinating planet to
observe? | c. | Does the big red spot on Jupiter look like a giant
eye? | b. | Why was Jupiter named after a Roman
god? | d. | How often is Jupiter visible in the nighttime
sky? |
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8.
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Forensic scientists use science to find evidence at a crime
scene. Which sentence describes how forensic scientists could use observation to determine the time
that a crime took place?
a. | They could observe that insects can hide and even destroy
evidence at crime scenes. | c. | They could observe the presence of young from a
certain insect species and use it to determine time of death. | b. | They could observe that insects are often the first living things to disturb a crime
scene. | d. | They could observe that insects interact with dead
bodies. |
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9.
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What do physicists study?
a. | Physicists study how living things
function. | c. | Physicists study matter and energy and how they
interact. | b. | Physicists study how different kinds of matter
behave. | d. | Physicists study how the human body works. |
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10.
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How do ethical concerns affect scientific
research?
a. | Scientists should not let their own ethics interfere with their
research. | c. | Scientists should set aside ethical concerns when doing
research. | b. | Scientific research must not hurt people or
animals. | d. | Scientists should not be forced to let other people's ethics limit their
research |
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11.
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How has the work of chemists affected the environment over
the years?
a. | Chemists have ruined the environment through the misuse of
poisonous chemicals. | c. | Chemists have been required to fix all
environmental problems that they have caused. | b. | Chemists have both hurt the
environment and helped the environment by their actions. | d. | Chemists have tried very
hard not to impact the environment with their work. |
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12.
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What made alchemy unscientific in its
practices?
a. | It was not based on the atom being the basic unit of
matter. | c. | It could not turn metal into gold. | b. | It was not based on evidence and experiment. | d. | It was not accepted by
scientists. |
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13.
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What is the best definition
of chemistry?
a. | The study of life and energy | c. | The study of mass, energy, and light | b. | The study of matter, its properties, and its reactions | d. | The study of experiments
and theories |
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14.
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What did Democritus teach?
a. | That all matter was composed of earth, fire, water, and
air | c. | That all matter was composed of tiny
atoms | b. | That experiments should be done in a systematic
way | d. | That atoms could be divided into smaller
particles |
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15.
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What do scientists do?
a. | They use their knowledge to make public
policy. | c. | They make ethical decisions for the
government. | b. | They learn about the world
through observation. | d. | They make sure all facts fit scientific
theories. |
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16.
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A restaurant is trying to decide whether it should serve its
customers coffee in ceramic mugs or Styrofoam cups. Which of the following is a testable hypothesis
to test one employee's prediction that "If we serve coffee in Styrofoam cups, then it will
stay warm longer than if we serve it in ceramic mugs"?
a. | Ceramic mugs are better for the environment than Styrofoam
cups. | c. | Styrofoam cups tip over more easily than ceramic
mugs. | b. | Coffee cools more quickly in a ceramic mug than in a Styrofoam
cup. | d. | Ceramic mugs are more cost effective than Styrofoam cups because they can be
reused. |
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17.
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What was important about the Copernican
revolution?
a. | The scientific community never accepted it. | c. | It demonstrated that scientific understanding was always
changing. | b. | It was the first time a new theory was published in a
book. | d. | It caused an immediate shift in accepted ideas. |
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18.
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How does the government control scientific
research?
a. | The government can take away money if a scientist is not
following ethical standards. | c. | Scientists are dependent upon the government to
set ethical standards. | b. | The government determines
which experiments are important. | d. | Scientists can do only research that the government
supports. |
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19.
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What part of Dalton's atomic theory was later proved to
be incorrect?
a. | All matter is made up of different kinds of
elements. | c. | All atoms of one kind are
called elements. | b. | All atoms are made up of
elements that can combine in reactions. | d. | All atoms of one kind are
identical and cannot be divided. |
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20.
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How are scientific questions answered?
a. | By reading books about the question | c. | By predicting a solution to the question | b. | By asking other scientists what they think | d. | By observing and measuring
the physical world |
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21.
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In what way are chemicals a part of our everyday
lives?
a. | Chemicals are used only to make food. | c. | We are dependent on chemicals because we have been using them for
centuries. | b. | Chemicals are used only in
products that are shipped overseas. | d. | Naturally occurring and man-made chemicals are in everything
around us. |
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22.
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Which step comes right before "Analyze the data"
in the scientific method?
a. | Collect the data. | c. | Test the
hypothesis. | b. | Conduct an
experiment. | d. | Predict a theory. |
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23.
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Which of the following is the best definition
of matter?
a. | Anything that uses energy | c. | Anything
that's alive | b. | Anything that has
mass | d. | Anything that's visible |
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24.
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Which type of scientist would determine the different kinds
of fat found in milk chocolate?
a. | A sociologist | c. | A
biologist | b. | A physicist | d. | A
chemist |
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25.
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What is the relationship between chemicals and
cancer?
a. | There is no treatment available for cancer caused by
chemicals. | c. | Chemists have a greater chance of getting cancer than the rest of
us. | b. | Some chemicals cause cancer, whereas others have been designed to
fight it. | d. | More chemists have died from cancer than from any other
cause. |
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