biology

1. Science differs from other disciplines, such as history and the arts, because science relies on

• a. facts.

• b. testing explanations.

• c. observations.

• d. theories.

. Measurements made while observing a plant grow 3 cm over a two-week period are called

• a. inferences.

• b. variables.

• c. hypotheses.

• d. data.

Based on your observations, you suggest that the presence of water could accelarate the growth of bread mold. This is

• a. a conclusion. .

• b. a hypothesis.

• c. an experiment

• d. an analysis.

Suppose that a scientist proposes a hypothesis about how a newly discovered virus affects humans. Other virus researchers would likely

• a. reject the hypothesis right away.

• b. change the hypothesis to fit their own findings.

• .c. design new experiments to test the proposed hypothesis

• d. assume that the hypothesis is true for all viruses.

. Why is creativity considered a scientific attitude?

• a. Scientists need creativity to make good posters to explain their ideasexperiments.

• . b. Creativity helps scientists come up with different

• c. Creative scientists imagine the results of experiments without doing them.

• d. Scientists who are creative are better at handling and training animals

Who reviews articles for peer-reviewed journals?

• a. friends of the scientists who wrote the articles

• b. anonymous and independent experts

• c. the scientists who did the experiments

• d. people who paid for the experiments

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

• a. Peer-reviewed articles are published only when the ideas they contain have been accepted by most scientists.

• b. Experiments in peer-reviewed articles do not need to be repeated

• c. Scientists reading the articles may come up with new questions to study

• d. Ideas in the articles always support and strengthen dominant theories.

8. Suppose that a scientific idea is well-tested and can be used to make predictions in numerous new situations, but cannot explain one particular event. This idea is a

• a. hypothesis that is incorrect

• b. hypothesis that must be retested

• .. c. theory that should be discarded.

• d. theory that may need revision.

How do scientific theories compare to hypotheses

• a. Theories are the same as hypotheses.

• b. Theories unify a broad range of observations and hypotheses.

• c. Hypotheses combine the ideas of several theories to explain events.

• d. Hypotheses are the dominant view among scientists.

. Which of the following is NOT a way that science influences society?.

• a. Science provides answers to some of society’s practical problems.

• b. Science gives society answers to difficult ethical issues

• c. Science advances technology that is useful to society.

• d. Science increases society’s understanding of how people affect the environment