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Chapter 2 - Tools of Environmental Science

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Across
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The second step of the scientific method is a testable explanation for an observation.
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__________ models are three-dimensional models you can touch.
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The third step of the scientific method is a procedure designed to test a hypothesis under controlled conditions.
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Principles or standards we consider important.
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A __________ model is one or more equations that represent the way a system or process works.
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The __________ group receives the the experimental treatment.
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The probability or likelihood of an unwanted outcome.
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The information that a scientist gathers during an experiment, which is often in numeric form.
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Reliable associations between two or more events.
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A ________ model is a verbal or graphical explanation for how a system works or is organized.
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Beautiful or pleasing.
Down
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Representations of objects or systems.
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Maps and charts are the most common examples of __________ models.
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The group of individuals or events selected to represent the population.
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A piece of information we gather with our senses. Also the first step in the scientific method.
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The chance that an event will occur.
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The number obtained by adding up the data for a given characteristic and dividing this sum by the number of individuals; the average.
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The factor of interest in an experiment which is changed to determine cause-and-effect.
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The relative arrangement of the members of a statistical population.
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The __________ group does not receive the experimental treatment.
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A logical statement about what will happen if a hypothesis is correct.
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The collection and classification of data that are in the form of numbers.