Scientific Method

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What is the scientific method?

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A series of steps used by scientists to solve a problem or answer a question.

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What is an independent variable?

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A factor that the experimenter has full control over and changes to see what happens.

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What is a dependent variable?

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The variable in an experiment that is measured or observed to see how it is affected by changes in the independent variable.

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What is a control group?

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A group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

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What is a hypothesis?

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A testable prediction about the relationship between two or more variables.

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What is qualitative observation?

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An observation that describes the qualities or characteristics of something, such as color, texture, or smell.

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What is quantitative observation?

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An observation that involves measuring or counting and is expressed in numbers.

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What is data collection?

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The process of gathering and measuring information on variables of interest.

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What is an experiment?

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A scientific procedure undertaken to test a hypothesis by manipulating variables.

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What is a variable?

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Any factor, trait, or condition that can exist in differing amounts or types.