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Biology > Unit 1 intro to science > Flashcards

Unit 1 intro to science Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

define data

A

evidence that scientific inquiry is based on

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2
Q

what are the 2 different types of data in science

A
  • Quantitative Data
  • Qualitative Data
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3
Q

what is quantitative data

A

numerical measurements

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4
Q

what is qualitative data

A

recorded descriptions

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5
Q

what are the steps of the scientific method

A
  1. notice something (observation)
  2. ask why (question)
  3. propose an explanation for the observations (hypothesis)
  4. what can be done to test hypothesis (prediction)
  5. scientific test (experiment)
  6. was the hypothesis supported or rejected (conclusion)
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6
Q

define variables

A

factors that vary in an experiment

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7
Q

what are the 2 types of variable in an experiment

A
  • Independent Variable
  • Dependant variable
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8
Q

what is a independent variable

A

factor manipulated buy scientist (constantly being changed)

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9
Q

what is a dependant variable

A

factor that is affected by the independent variable (data that is being collected)

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10
Q

what is a controlled experiment

A

experimental group compared with a control group

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11
Q

what is a experimental group

A

the group an experiment is being done on

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12
Q

what is a control group

A

the group that is not being experimented on

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13
Q

why is it better to have a larger experiment group

A

the results will be more accurate because there is a higher variability

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14
Q

what are clinical trials

A

tests done on humans

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15
Q

what is a placebo

A

treatment that doesn’t contain the medication being tested

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16
Q

what is a double blind trial

A

neither the subjects or the scientist know who is in which group

17
Q

what types of studies are there

A
  • Experimental Study
  • Observational Study
18
Q

what is a experimental study

A

scientists manipulate factors to see how subjects change/react (hands on)

19
Q

what is an observational study

A

scientists observe the subject without manipulating any factors

20
Q

what are the different ways scientists can get feedback from scientific community

A
  • peer reviewed publications
  • seminars, meetings, personal communications
21
Q

what is science

A

gain of knowledge to explain natural phenomenon

22
Q

what is technology

A

application of scientific knowledge

23
Q

why is science and technology closely interwoven

A
  • science uses new technology to perform research
  • new technology is invented based on new scientific discoveries

Biology (11 decks)

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