Scientific Method

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The information gathered from making observations is called ____.

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data

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What is a dependent variable?

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The variable that the scientist is measuring or observing, also known as the responding variable.

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What is a hypothesis?

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A possible answer or explanation to a question based on knowledge, observations, and research, often written in 'if...then' format.

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What is a controlled variable?

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The variables that the scientist keeps constant, which allows them to attribute the results to the independent variable alone.

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What is the controlled variable in the following scenario? 'The blood pressure of a soldier is measured while he is resting. The soldier is then exposed to a stressful environment and his blood pressure is measured again.'

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the soldier

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What is the scientific method?

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A systematic process used for scientific investigation, including observation, hypothesis formulation, experimentation, and conclusion.

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What is an independent variable?

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The variable being tested or changed by the scientist, also known as the manipulated variable.

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What is an experiment?

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A procedure carried out to test a hypothesis and observe the effects of changing the independent variable.

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What is a conclusion in the scientific method?

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A summary of the results of an experiment, stating whether the hypothesis was supported or not.

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What is the purpose of a control group in an experiment?

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To provide a baseline for comparison against the experimental group, ensuring that the results are due to the independent variable.