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1

Science is a body of...

knowledge based on the study of nature

2

Types of sciences include:

Biology, Chemistry, Physics, Earth Science

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Essential characteristics of science=

Inquiry

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inquiry:

development of explanations

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Process rooted in

unbiased observations and experimentation

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Science relies on

evidence

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Theory:

an explanation of a natural phenomenon supported by many observations and experiments over time

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2 most important biology theories:

Cell theory, theory of evolution

9

Both theories are based on

countless observations and investigations, have extensive supporting evidence, and enable accurate predictions.

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Physiognomy:

Judging someones character or personality based on physical features.

11

Pseudoscience:

areas if study that try to imitate science, often driven by cultural or commercial goals.

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Pseudoscience do not provide

science-based explanations of the natural world

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Research results in a constant reevaluation...

of what is known which often leads to new knowledge that scientists then evaluate.

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Challenges accepts

theories

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Scientists welcome debate about one anothers ideas to

validate their experiments

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Sciences advance by

accommodating new informations as it is discovered

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Observations of data that are not consistent with current scientific understanding

are of interest to scientists

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inconsistencies lead to

further investigations

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All scientists use

standard experimental procedures to come to a conclusion

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Peer Review:

experimental practices and results are evaluated by other scientist.

21

Scientists use the same measurement

system to repeat another experiements

22

Forensics:

applies science to legal interest

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Science literacy:

Basic understanding of science and its processes with reasoning and thinking skills.

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Many issues faced everyday related to biology:

drugs, alcohol, tobacco, AIDS, cancer, eating disorders.