1-1 and 1-2 Test Review

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What is a prediction?

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A statement about what you think will happen in the future based on observations or evidence.

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What is the independent variable in an experiment?

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The factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

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How many variables can change in a controlled experiment?

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Only one variable can change to ensure that the results are due to that variable.

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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, including observation, hypothesis, experimentation, and conclusion.

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What is the dependent variable in an experiment?

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The factor that is measured or observed in an experiment, which is affected by the independent variable.

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What is a controlled experiment?

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An experiment where only one variable is changed at a time while all other conditions are kept the same.

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What is the purpose of a hypothesis?

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

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What is data collection?

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The process of gathering and measuring information on variables of interest in a systematic way.

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What is the importance of following safety instructions in a lab?

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Following safety instructions helps prevent accidents and ensures a safe working environment.

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What is an example of an independent variable in a plant growth experiment?

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The type of liquid given to the plants (e.g., water, apple juice, milk).