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Bio Honors > Unit 0 > Flashcards

Unit 0 Flashcards

(52 cards)

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1
Q

Intro to science + Evaluating sources*

A
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2
Q

Science (definition)

A

body of knowledge about nature

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3
Q

2 types of science

A

pure and applied

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4
Q

Pure science (definition)

A

science done for the pure joy of learning

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5
Q

Example of pure science

A

astronomy

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6
Q

Applied science (definition)

A

science done for betterment of mankind

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7
Q

Example of applied science

A

bioengineering

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8
Q

What is PARCS used for

A

to evaluate the credibility of a source

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9
Q

What does PARCS stand for

A

Purpose, Author, Relevance, Currency, Sources

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10
Q

Scientific method + History of science*

A
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11
Q

Primary research

A

written by researchers themselves and published in a scientific journal

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12
Q

Secondary sources

A

scientific information in books, magazine, websites, that have been derived from primary sources

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13
Q

Who devised / influenced the scientific method

A

devised: Bacon
influenced: Galileo

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14
Q

6 steps of scientific method

A
  1. ask a question
  2. do background research
  3. construct a hypothesis
  4. test hypothesis through experiment
  5. analyze data + draw conclusion
  6. report results (was hypothesis correct?)
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15
Q

What is a question based on (2)

A

observation or research

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16
Q

What makes a good question (2)

A

testable and close ended

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17
Q

Hypothesis

A

tentative conclusion based on researchW

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18
Q

What makes a good hypothesis

A

testable and falsifiable

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19
Q

Case study: stomach ulcers*

A
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20
Q

What did Warren and Marshall observe in every stomach ulcer sample

A

bacteria

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21
Q

Old hypothesis for what causes ulcers

22
Q

New/alternate hypothesis for what causes ulcers

23
Q

How did they test the new ulcer

24
Q

How many cells do bacteria have

25
What bacteria was found to be cousing the stomach ulcer
H. pylori
26
What theory came to be accepted after the experiment
bacteria causes stomach ulcers
27
Theory (definition)
a conclusion that has not been disproved over several trials
28
2 types of reasoning
inductive and deductive
29
Inductive reasoning (definition)
reasoning based on prior experience
30
Problem with inductive reasoning
experience may be true, but reasoning may not
31
Deductive reasoning (definition)
reasoning based on assumption
32
What must be true if the assumption is true in deductive
the reasoning
33
Which is the purest form of reasoning
deductive reasoning
34
Can a hypothesis ever be absolutely correct
can NEVER be completely proven absolutely correct
35
When are theories considered to be true
when they have stood the test of time
36
Theorem (definition)
theory proved by deductive reasoning
37
Law (definition)
theory proved by mathematics
38
Experimental design*
39
3 types of variables
1. Independent/manipulated variable 2. Dependent/responding variable 3. Controlled variable
40
Control (definition)
exact same to the experimental subject except that it is not exposed to the experimental treatment
41
Independent variable (definition)
things that change outcome
42
Dependent variable (definition)
outcome
43
Control (definition)
what is kept the same in the experiment
44
Bias (definition)
personal opinion that influence an experiment
45
2 ways bias can be removed
1. blind study 2. double blind study
46
Blind study (definition)
individuals aren't aware of which group they belong to
47
Double blind study (definition)
both researcher and test subjects do not know which group individuals belong too and what the hypothesis is
48
When are model systems used
when testing hypothesis raises ethical/practical problems
49
Singular form of data
"datum"
50
3 types of data
1. quantitative 2. qualitative 3. semi quantitative
51
What should be done in a conclusion
hypothesis should be restated
52
3 ways data can relate to hypothesis testing
1. support a hypothesis 2. refute a hypothesis 3. be inconclusive

Bio Honors (4 decks)

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