AnswersFL-2001340-Environmental Science A-CREvaluating Scientific Explanations

Evaluating Scientific Explanations Answers

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After a scientist wrote up her findings in a paper, she submitted it to a journal for peer review. After the review, it was accepted.What happens to the paper in the next step of the peer-review process?

A
It becomes a part of the accepted research.
B
It is returned to the author.
C
It gets published.
D
It needs to be rewritten.
2
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Which must be kept in mind when determining if an explanation is correct?

A
whether people reading the explanation agree
B
the information that is on the Internet
C
that there may be more than one way to interpret data
D
whether a person of authority says it is correct
3

Which of the following is an example of a strong scientific claim?

A
Some athletes say walking helps your health.
B
A lawyer said a volcano caused the explosion.
C
A university study published in a medical journal showed daily walking improves health.
D
A friend noticed that her plant grew better by the window.
4

Terrence claims that a new species of bacteria should be placed on the list of bacteria that cause infectious diseases. He ran his experiment several times in one day and got the same results. Ben and Frieda also ran his experiment multiple times themselves. They never got the same results that Terrence did.

A
It is invalid because it could not stand up to experimentation.
B
It is valid because only one person needs to validate it.
C
It is valid because he did the experiment multiple times.
D
It is invalid because bacteria are always changing.
5

Which describes the difference between a claim and a scientific claim?

A
Claims are based more on truth than scientific claims are.
B
Anyone can make a claim, but a scientific claim is backed by experimental evidence.
C
Claims are based on evidence and scientific claims are made by scientists.
D
Controlled experiments are used in claims, while scientific claims use multiple trials.
6

Which would be the most reliable source for information?

A
the Center for Disease Control website
B
Wikipedia, an online publicly edited encyclopedia
C
updates from a Twitter account
D
an editorial on a new drug
7

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8

Justine is a chemist working for a flavor supply company. The company claims that their flavors are all-natural. Justine developed the formula in her lab, making 12 new natural flavors to replace processed flavors. She made sure that every aspect was controlled. She repeated her experiment several times to make sure the formula was correct.

A
It is invalid and was only used to sell flavor.
B
It is valid because it is backed by scientific evidence.
C
It is valid because it was made by the flavor company.
D
It is invalid because Justine is a chemist and not a food scientist.
9

Pedro is submitting an article to be peer reviewed. He is a biologist who found new evidence of climate change.Which would be the best group to review the paper?

A
biologists at the Environmental Protection Agency
B
physics instructors at a major university
C
chemists at the World Health Organization
D
a business that makes solar panels
10

Which is a characteristic of a scientific claim?

A
it is supported by a controlled experiment with multiple trials that can be repeated by others
B
it is another way to describe the controlled variables in an experiment
C
it involves an experiment with multiple variables that can be repeated by others
D
it is an if-then statement that predicts the most likely results of an experiment

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