WorksheetsTutorial - 9/28 (7th grade Science) - Nature of Science
Total questions: 15
Worksheet time: 8mins
Which of the following is NOT a goal of science?
to investigate and understand the natural world
to explain events in the natural world
to establish a collection of unchanging truths
to use derived explanations to make useful predictions
Science differs from other disciplines, such as history and the arts, because science relies on
facts
testing explanations
observations
theories
Scientists will never know for sure why dinosaurs became extinct. Therefore, scientists should
stop studying dinosaurs and study only living animals.
work to raise live dinosaurs to study.
continue to learn as much as they can about dinosaur extinction.
accept the current theory about dinosaur extinction as the best possible theory.
Science is best described as a
set of facts
way of knowing
collection of beliefs
list of rules
The work of scientists usually begins with
testing a hypothesis
careful observations
creating experiments
drawing conclusions
Information gathered from observing a plant grow 3 cm over a two-week period is called
inferences
variables
hypotheses
data
Based on your observations, you suggest that the presence of water could accelerate the growth of bread mold. This is
a conclusion
a hypothesis
an experiment
an analysis
A scientific hypothesis
can be based on personal beliefs or opinions
can be tested by experiments or observations.
does not have to be tested to be accepted as correct.
is a proven fact with much evidence to support it.
During a controlled experiment, a scientist isolates and tests
a conclusion
a mass of information
a control group
a single variable
A student sees a bee on a flower. The student wonders how the bee finds flowers. This student is displaying the scientific attitude of
creativity.
curiosity.
open-mindedness.
skepticism.
Suppose that a scientist proposes a hypothesis about how a newly discovered virus affects humans. Other virus researchers would likely
reject the hypothesis right away.
change the hypothesis to fit their own findings.
design new experiments to test the proposed hypothesis.
assume that the hypothesis is true for all viruses.
Why is creativity considered a scientific attitude?
Scientists need creativity to make good posters to explain their ideas.
Creativity helps scientists come up with different experiments.
Creative scientists imagine the results of experiments without doing them.
Scientists who are creative are better at handling and training animals.
After a scientist publishes a paper, someone else finds evidence that the paper’s hypothesis may not be correct. The scientist is unhappy, but studies the new evidence anyway. The scientist is showing which scientific attitude?
creativity.
curiosity.
open-mindedness.
skepticism.
Suppose a scientist must choose whether to publish a report in a newspaper or in a peer-reviewed journal. What is a benefit of publishing in the journal?
Other scientists will know that everything in the report is true.
The reviewers will fix mistakes in the report’s experiment.
The report will be published more quickly in the journal.
The quality of the report will meet high scientific standards.
Who reviews articles for peer-reviewed journals?
friends of the scientists who wrote the articles
anonymous and independent experts
the scientists who did the experiments
people who paid for the experiments
