Pregunta 1
Pregunta
Which of the following is NOT a goal of science?
Respuesta
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to investigate and understand the natural world
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to explain events in the natural world
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to establish a collection of unchanging truths
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to use derived explainations to make useful predictions
Pregunta 2
Pregunta
Based on your observations, you suggest that the presence of water could accelerate the growth of bread mold. This is
Respuesta
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a conclusion.
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a hypotheses.
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an experiment.
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an analysis.
Pregunta 3
Pregunta
Information gathered from observing a plant grow 3cm over a two-week period is called
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inferences.
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variables.
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hypotheses.
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data.
Pregunta 4
Pregunta
Science is best described as a
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set of facts.
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way of knowing.
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collection of beliefs.
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list of rules.
Pregunta 5
Pregunta
The work of scientists usually begins with
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testing a hypothesis.
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careful observations.
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creating experiments.
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drawing conclusions.
Pregunta 6
Pregunta
A scientific hupothesis
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can be based on personal beliefs or opinions.
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can be tested by experiments or observations.
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does not have to be tested to be accepted as correct.
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is a proven fact with much evidence to support it.
Pregunta 7
Pregunta
Science differs from other disciplines, such as history and the arts, because d\science relies on
Respuesta
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facts.
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testing explanations.
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observations.
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theories.
Pregunta 8
Respuesta
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is always true.
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is the opening statement of an experiment.
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may be revised or replaced.
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is a problem to be solved.
Pregunta 9
Pregunta
How does sharing ideas through peer-reviewed articles help advance science?
Respuesta
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Peer-reviewed articles are published only when the ideas they contain have been accepted by most scientists.
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Experiments in peer-reviewed articles do not need to be repeated.
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Scientists reading the articles may come up with new questions to study.
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Ideas in the articles always support and strengthen dominant theories.
Pregunta 10
Pregunta
How does studying science help you be a better member of society?
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Learning the biases of science will help you know what is right or wrong.
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Understanding how science works will help you make better decisions.
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Memorizing science facts will help you become more intelligent.
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Knowing science will help you live without the aid of technology.
Pregunta 11
Pregunta
A well-tested explanation that is accepted as the dominant belief is
Respuesta
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a hypothesis.
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an inference.
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a theory.
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a controlled experiment.
Pregunta 12
Pregunta
Which of the following characteristics of living things best explains why some North American birds fly south for the winter?
Respuesta
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Living things respond to their environment.
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Living things maintain internal balance.
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Living things are made up of units called calls.
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Living things are based on a universal genetic code.
Pregunta 13
Pregunta
A personal preference or point of view is
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a bias.
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a theory.
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a hypothesis
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an inference.
Pregunta 14
Pregunta
The process by which organisms keep everything balanced inside their bodies, within certain limits, is called
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homeostasis.
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evolution.
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metabolism.
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photosynthesis.
Pregunta 15
Pregunta
The basic unit of length in the metric system is the
Pregunta 16
Pregunta
Which of the following is NOT a characteristic of all living things?
Pregunta 17
Pregunta
Which of the following is NOT a way that science influences society?
Respuesta
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Science provides answers to some of society's practical problems.
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Science gives society answers to difficult ethical issues.
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Science advances technology that is useful to society.
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Science increases society's understanding of how people affect the environment.
Pregunta 18
Pregunta
What are the smallest living objects that biologist study?
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cells
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body organs
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atoms
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organisms
Pregunta 19
Pregunta
A scientist discovers an important breakthrough in cancer treatment. The scientist thinks the information could save thousands of lives and immediately announces the results on national television, skipping peer-review. How might other scientists react to this news?
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They will be skeptical because the report was not peer-reviewed.
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They will quickly start to use the new treatment on their patients.
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They will congratulate the scientist for the discovery.
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They will denounce the work and call the scientist a fraud.
Pregunta 20
Pregunta
During a controlled experiment, a scientist isolates and tests
Respuesta
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a conclusion.
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a mass of information.
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a control group.
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a single variable.
Pregunta 21
Pregunta
Using a universal system of measurement is MOST important during which part of the scientific method?
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Asking questions.
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Forming a hypothesis.
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Collecting data.
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Drawing conclusions.
Pregunta 22
Pregunta
Suppose that a scientist proposes a hypothesis about how a newly discovered virus affects humans. Other virus researchers would likely
Respuesta
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reject the hypothesis right away.
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change the hypothesis to fit their own findings.
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design new experiments to test the proposed hypothesis.
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assume that the hypothesis is true for all viruses.
Pregunta 23
Pregunta
The standard or English system of measurement uses units such as yards, miles, quarts, and gallons. The metric system uses units such as meter, kilometers, milliliters, and liters. Why is the metric system easier to use than the English system?
Respuesta
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Metric units are easier to measure than English units.
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The metric system is based on multiples of 10.
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The metric system is used by everyone in the world.
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Metric units are smaller than English units.
Pregunta 24
Pregunta
Why is creativity considered a scientific attitude?
Respuesta
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Scientists need creativity to make good posters.
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Creativity helps scientists come up with new and interesting experiments.
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Creative scientists imagine the results of experiments without doing them.
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Scientists who are creative are better at handling and training animals.
Pregunta 25
Pregunta
Which of the following is a question that can be answered by science?
Respuesta
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What is beauty?
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Is it ethical to do experiments on animals?
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What type of water will allow for the most plant growth?
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Do people watch too much television?