A variable
A) does not change over the course of the experiment.
B) is something that can change over the course of an experiment.
C) does not affect the outcome of an experiment.
D) can be controlled.
Correct Answer:
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Q1: Kim Chemist proposes that increasing the proportion
Q2: Which developed first?
A)technology
B)chemistry
C)alchemy
D)natural philosophy
Q4: A scientific hypothesis is
A)explanatory.
B)predictive.
C)testable.
D)all of the above.
Q5: Which science is primarily concerned with the
Q6: Science is tentative,explanatory,and
A)absolute.
B)testable.
C)unpredictable.
D)mystical.
Q7: Scientific results must be verified by
A)constructing plausible
Q8: Archaeological evidence indicates that ancient Egyptians were
Q9: A scientific hypothesis is
A)absolute.
B)complex.
C)simple.
D)tentative.
Q10: A brief statement summarizing many observations of
Q11: Which of the following was NOT a
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