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Bio H Lydia Carlson > Unit 1 Experimental Design LC > Flashcards

Unit 1 Experimental Design LC Flashcards

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Biology 101 flashcards
1
Q

Testable question

A

ones which can be answered through experimental inquiry and observation of the natural world.

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2
Q

Non-testable question

A

Questions that cannot be answered by direct observation or by evidence gathered through experimental inquiries

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3
Q

Quantitative

A

Measuring something by using numbers

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4
Q

Qualitative

A

Measuring something by description

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5
Q

Trials

A

a tryout or experiment to test quality, value, or usefulness

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6
Q

Observation

A

noticing or perceiving information from a primary source.

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7
Q

Empirical evidence

A

information gathered directly or indirectly through observation or experimentation

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8
Q

Data

A

facts and statistics collected together for reference or analysis.

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9
Q

Model is science

A

a representation of a phenomenon, object, structure, or system

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10
Q

Analogy

A

A comparrision to find similarities between two things

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11
Q

Prototype

A

a physical model that can be shown to others

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12
Q

Hypothesis

A

an educated guess

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13
Q

Variable

A

anything that can change or be changed in an experiment

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14
Q

Procedure

A

steps taken in an experiment

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15
Q

Accuracy

A

how close your measurement is to the “true” value

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16
Q

Precision

A

how close 2 or more measurements are to each other

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17
Q

Scientific Method

A

the process of observing, asking questions and finding answers through tests

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18
Q

Control

A

the part that stays the same and is used to tell if the experiment is working

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19
Q

Constant

A

factors that do not change in an experiment

20
Q

Predict

A

to say what will happen before the experiment begins

21
Q

Infer

A

to make a well informed guess

22
Q

Independent Variable

A

variable that is manipulated in the experiment

23
Q

Dependent Variable

A

variable that changes depending on the independent variable’s outcome

24
Q

Manipulated Variable

A

something changed on purpose during an experiment

25
Q

Responding Variable

A

the part of an experiment that a scientists measures and observes closely for a change or a response.

26
Q

Sample Size

A

the number of observations included in the study

27
Q

Validity

A

how accurately a method measures what it intends to measure

28
Q

Trends in Data

A

data is showing an upward or downward movement for part or all of the time series

29
Q

Correlation

A

describes the relationshiop between variables

30
Q

Variability

A

describes how far apart data points lie from each other and from the center of a distribution

31
Q

Mass

A

the amount of matter that makes up an object

32
Q

Volume

A

the amount of space an object takes up

33
Q

Weight

A

force exerted on a body by gravity

34
Q

Percent

A

a number that is a fraction of 100

35
Q

Rate

A

change in quantity with respect to change in another quantity

36
Q

Ratio

A

a comparison of two or more numbers and it indicates the numbers’ sizes in relation to each other

37
Q

Line Graph

A

a display of information that changes continuously over time

38
Q

Bar Graph

A

a graphical representation of data, quantities, or numbers using bars or strips.

39
Q

Pie Graph

A

a circular graphic, divided into slices to show numerical proportion

40
Q

Scatterplot

A

uses dots to represent values for two different numeric variables

41
Q

Claim

A

a generalization based on a reported statistically significant effect.

42
Q

Evidence

A

information collected that shows the truth

43
Q

Reason

A

the ability to recognize and understand the scientific method, concepts, processes, and applications used in the pursuit of knowledge

44
Q

Theory

A

an idea or set of ideas that is intended to explain facts or events

45
Q

Bias

A

a flaw in the study when collecting or interpreting the data

Bio H Lydia Carlson (7 decks)

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