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Laboratory Safety Answers

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A student completed a lab report. Which correctly describes the difference between the “Question” and “Hypothesis” sections of her report?

A
“Question” states what she is asking, and “Hypothesis” states the result of her experiment.
B
“Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format.
C
“Question” describes what she is trying to find out, and "Hypothesis" states the procedures and methods of data collection.
D
“Question” describes what she is trying to find out, and “Hypothesis” states any additional information or prior knowledge about the question.
2
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Which statement best describes a scientific question?

A
It must be based on a hypothesis.
B
It must be supported by data.
C
It must be testable.
D
It must be original.
3

Which action shows a creative approach to the process of scientific inquiry?

A
developing a technique for observing an object that has yet to be observed
B
creating an attractive cover picture for a laboratory report
C
explaining why a hypothesis is supported despite data showing otherwise
D
manipulating data to achieve a desired result
4

“Any process used to ask and answer testable questions about observations of the natural world” defines which term?

A
scientific consensus
B
scientific inquiry
C
scientific conclusion
D
scientific hypothesis
5

A student sees several ants walking up a wall following the exact same trail that an ant took earlier. She wants to apply the scientific method to determine how the ants detected the trail. Which of these steps would come first in her application of the scientific method?

A
Perform an experiment by cleaning the scent away from part of the trail.
B
Draw a conclusion that the ants follow a scent trail.
C
Make a prediction about what the ants will do after she cleans away part of the trail.
D
Hypothesize that the ants are following a scent trail that the first ant left.
6

Which is best illustrated by Watson and Crick's ball-and-stick model of DNA?

A
the importance of sticking to established methods of science
B
the role of creativity in scientific discovery
C
the value of individual scientists working independently from one another
D
the importance of carrying out procedures that can be replicated
7

Which step of the scientific method relies more heavily on newly collected data than on creativity and innovation?

A
drawing a conclusion
B
designing an experiment
C
solving a problem
D
formulating a question
8

A scientist conducting an experiment quickly saw that she was not getting the results she expected. Instead of continuing to collect data, she went back to redesign the experiment until the data came out the way that the hypothesis predicted. The scientist’s work did not follow the scientific method. Which statement best explains why?

A
She followed the steps of the scientific method, but in the wrong order.
B
She made improvements to her experimental design rather than keeping it the same.
C
She failed to look at the data objectively by trying to get a desired result.
D
She carried out multiple trials rather than carrying out one trial correctly.

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Laboratory Safety Answers — RVACR Ecology