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Environmental Systems > Ch. 2 Key Terms > Flashcards

Ch. 2 Key Terms Flashcards

1
Q

Observation

A

Is a piece of information we gather using our senses, our sight, hearing, smell, and touch

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2
Q

Hypothesis

A

Testable explanation for an observation

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3
Q

Prediction

A

A logical statement about what will happen if the hypothesis is correct

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4
Q

Experiment

A

A procedure designed to test a hypothesis under controlled conditions.

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5
Q

Variable

A

Is the factor of interests, which, in our example, would be the level of phosphate in the water.

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6
Q

Experimental Group

A

A group that receive the experimental treatment

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7
Q

Control Group

A

The group that does not receive the experimental treatment

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8
Q

Data

A

The info a scientist gathers in an experiment.

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9
Q

Correlation

A

Reliable associations between two or more event.

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10
Q

Statistics

A

Enviromental science provides a lot data that needs to be organized interpreted before they are use.

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11
Q

Mean

A

Is the number obtained by adding up the data for a given characteristic and dividing this sum by the number of individuals.

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12
Q

Distribution

A

Is the relative arrangement of the members of a statistical population.

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13
Q

Probability

A

The chance that something will happen

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14
Q

Sample

A

Is the group of individuals or events selected to represent the population

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15
Q

Risk

A

Is the probability of an unwanted outcome

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16
Q

Models

A

Representations of objects or systems

17
Q

Conceptual Model

A

Is a verbal or graphical explanation for how a system works or is organized.

18
Q

Mathematical Model

A

Is one or more equations that’s represents the way a system or process works.

19
Q

Value

A

Principals or standards we consider important.

20
Q

Decision-Making Model

A

A conceptual model that provides a synthetic process for making decisions.

Environmental Systems (11 decks)

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