Hypotheses, Laws, and Theories — Unit test Answers
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Which is least likely to occur after an experiment is conducted to test a hypothesis?
A
The data is analyzed to see if it supports or refutes the hypothesis.B
The same experiment is conducted again to see if the data are reliable.C
The hypothesis becomes a theory if the results support it.D
A new experiment is designed to provide additional data about the hypothesis.22
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What negative impact did chemistry have on society through the production and use of chlorofluorocarbons (CFCs)?
A
Hazardous coolants in refrigeration units were replaced.B
Better refrigeration reduced loss of food through spoilage.C
Lower levels of ozone allowed more ultraviolet radiation to reach Earth.D
Fire safety improved through the use of fire extinguishers.23
Which trait would most likely lead a scientist to investigate folk remedies of tribes living in the rain forest for new medicines?
A
opennessB
narrow-mindedC
creativityD
skepticism24
The diagram shows the relationship between scientific disciplines. The names of some scientific disciplines have been removed from the boxes. Which scientific discipline belongs in the blue box?
A
physicsB
biologyC
chemistryD
metallurgy25
Scientists and nonscientists have both been interested in the moon for a long time. Which is most likely an example of pseudoscience?
A
observation that the moon influences ocean tidesB
belief that the moon influences human behaviorC
calculation of the distance between the earth and the moonD
measurement of the mass of the moonDid you find these answers helpful?
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