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Ch. 2 Methods Of Science

Test Description: Multiple choice

Instructions: Answer all questions to get your test result.

1) Science can best be described as

Aan information gathering process Ba kind of logic Ca difficult process Dbased on absolute facts

2) A scientist begins working by trying to explain a natural occurrence that is

Aobservable Bundetectable Cimportant to humans Dunstable

3) A scientific explanation for a natural occurrence is called

Aguesswork Ban observation Cdetection Da hypothesis

4) Scientists always prove or disprove their explanation by

Alab experiments Bmathematical formulas Cgathering evidence Dusing teir imaginations

5) Science is uncertain and changeable because

Athe education of scientists is always improving Bscientific tools are often unreliable Ccompetition among scientists is fierce Dnew evidence leads to altered hypotheses

6) All of the following are subjects for scientific study except

Athe pollution of water Bthe behavior of fish Cthe right to die Dthe size of the universe

7) Different scientists may obtain different results when studying the same subject because

Athey delibrately lie Bobservations always differ Cthey use different techniques Dthey do not cooperate

8) All of the following tools enhance a scientist's senses except

Aa microscope Ba telescope Ca Geiger counter Da stethoscope

9) To be considered valid, the results of a scientific experiment must be

Awritten up in detail Bsimple & elegant Cmathematically verified Drepeatable

10) Before an experiment, a scientist needs to review

Aconsumer trends Ball possible predictions for other experiments Cpublic opinion polls Dresults of other experiments related to the subject

*select an answer for all questions

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