A scientist proposes a hypothesis about how a new virus affects us. Other researchers would

design new experiments to test the proposed hypothesis.

How does sharing ideas through peer-reviewed articles help advance science?

Scientists reading the articles may come up with new ?s.

Scientists will never know for sure why dinosaurs became extinct. Therefore, scientists should

continue to learn as much as they can about dinosaur extinct

Why is creativity considered a scientific attitude?

Creativity helps scientists come up with new experiments.

How do scientific theories compare to hypotheses?

Theories unify a broad range of observations and hypotheses.

Which of the characteristics of living things best explains why birds fly south for the winter?

Living things respond to their environment.

Why is the metric system easier to use than the English system?

The metric system is based on multiples of 10.

Which of the following is a question that can be answered by science?

How does DNA influence a person’s health?

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Biology Chapter 1 Review

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Questions 26

Answers

1
Based on observations, you suggest that water could accelerate bread mold growth. This is
a hypothesis.
a conclusion.
an experiment.
an analysis.
2
A scientist proposes a hypothesis about how a new virus affects us. Other researchers would
reject the hypothesis right away.
assume that the hypothesis is true for all viruses.
design new experiments to test the proposed hypothesis.
change the hypothesis to fit their own findings.
3
The work of scientists usually begins with
careful observations.
testing a hypothesis.
drawing conclusions.
creating experiments.
4
A well-tested explanation that explains a lot of observations is
a controlled experiment.
a hypothesis.
a theory.
an inference.
5
a universal system of measurement is MOST important during which part of scientific method?
collecting data
forming a hypothesis
asking questions
drawing conclusions
6
During a controlled experiment, a scientist isolates and tests
a conclusion.
a control group.
a single variable.
a mass of information.
7
The basic unit of length in the metric system is the
liter.
gram.
meter.
yard.
8
Which of the following is NOT a characteristic of all living things?
response to the environment
growth and development
ability to reproduce
ability to move
9
Science is best described as a
set of facts.
list of rules.
collection of beliefs.
way of knowing.
10
How does sharing ideas through peer-reviewed articles help advance science?
Ideas in the art. always support & strengthen dom theories.
Scientists reading the articles may come up with new ?s.
published only when they have been acc by most scientists.
Exper. in peer-reviewed articles do not need to be repeated.
11
A personal preference or point of view is
an inference.
a hypothesis.
a theory.
a bias.
12
Scientists will never know for sure why dinosaurs became extinct. Therefore, scientists should
accept the current theory as the best possible theory.
stop studying dinosaurs and study only living animals.
continue to learn as much as they can about dinosaur extinct
work to raise live dinosaurs to study.
13
Why is creativity considered a scientific attitude?
Scientists need creativity to explain their ideas.
Creative Sci. are better at handling and training animals.
Creative scientists imagine the results of experiments.
Creativity helps scientists come up with new experiments.
14
A student wonders how a bee finds flowers. This student is displaying the sci. attitude of
creativity.
skepticism.
curiosity.
open-mindedness.
15
How do scientific theories compare to hypotheses?
Theories are the same as hypotheses.
Theories unify a broad range of observations and hypotheses.
Hypotheses are the dominant view among scientists.
Hyp combine the ideas of several theories to explain events.
16
Biologists who work in the fields of genomics and molecular biology study
trees
DNA
diseases
the biosphere
17
tree finches & ground finches descend from a common ancestor. This represents which big idea ?
evolution
homeostasis
growth, development, and reproduction
interdependence in nature
18
How many meters are in 2.4 km?
240
24000
240000
2400
19
Cell specialization allows cells to
respond to their environment.
reproduce.
be less complex.
perform different functions.
20
Which of the characteristics of living things best explains why birds fly south for the winter?
Living things are based on a universal genetic code.
Living things maintain internal balance.
Living things respond to their environment.
Living things are made up of units called cells.
21
Why is the metric system easier to use than the English system?
Metric units are easier to measure than English units.
The metric system is based on multiples of 10.
The metric system is used by everyone in the world.
Metric units are smaller than English units.
22
The process by which organisms keep everything inside their bodies in certain limits is called
homeostasis.
photosynthesis.
metabolism.
evolution.
23
Science differs from other disciplines, such as history and the arts, because science relies on
observations.
testing explanations.
theories.
facts.
24
A theory
is always true.
is a problem to be solved.
is the opening statement of an experiment.
may be revised or replaced.
25
Information gathered from observing a plant grow 3 cm over a two-week period is called
variables.
data
inferences.
hypotheses
26
Which of the following is a question that can be answered by science?
What is beauty?
How does DNA influence a person’s health?
Do people watch too much television?
Is it ethical to do experiments on animals?

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