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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

Abased on absolute facts Ba kind of logic Can information gathering process Da difficult process

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

Aimportant to humans Bobservable Cundetectable Dunstable

3) A scientific explanation for a natural occurrence is called

Adetection Bguesswork Can observation Da hypothesis

4) Scientists always prove or disprove their explanation by

Alab experiments Bgathering evidence Cmathematical formulas Dusing teir imaginations

5) Science is uncertain and changeable because

Ascientific tools are often unreliable Bcompetition among scientists is fierce Cthe education of scientists is always improving Dnew evidence leads to altered hypotheses

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

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

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

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

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

Aa stethoscope Ba Geiger counter Ca microscope Da telescope

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

Awritten up in detail Bmathematically verified Crepeatable Dsimple & elegant

10) Before an experiment, a scientist needs to review

Aresults of other experiments related to the subject Ball possible predictions for other experiments Cpublic opinion polls Dconsumer trends

*select an answer for all questions

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