AnswersPA-Chemistry CRScientific Methods

Scientific Methods Answers

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Which statements correctly describe theories? Check all that apply.Theories result from several repeated experiments.Theories are based on a single hypothesis.Theories explain observations and hypotheses.Theories may be revised over time.Theories cannot help predict what may happen in the future.Theories are proven facts.

A
Theories result from several repeated experiments.
B
Theories are based on a single hypothesis.
C
Theories explain observations and hypotheses.
D
Theories may be revised over time.
E
Theories cannot help predict what may happen in the future.
F
Theories are proven facts.
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The dependent variable is.

A
pressure
B
gas
C
volume
D
particles

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Scientific Methods Answers — PA-Chemistry CR