Scientific Method and Variables

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What is the Scientific Method?

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The Scientific Method is a systematic process used for scientific investigation, involving observation, hypothesis formulation, experimentation, and conclusion.

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What is a variable in an experiment?

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A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

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What is an independent variable?

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

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What is a dependent variable?

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

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What does a hypothesis represent?

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

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What does 'because' indicate in a hypothesis?

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'Because' explains the reasoning behind the prediction made in the hypothesis.

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

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The control group is used as a standard for comparison, ensuring that the results of the experiment are due to the independent variable.

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What is soil pH?

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Soil pH is a measure of the acidity or alkalinity of the soil, which can affect plant growth.

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What is an acid?

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An acid is a substance that donates protons (H+) in a solution, typically having a pH less than 7.

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What is a neutral substance?

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A neutral substance is one that has a pH of 7, meaning it is neither acidic nor basic, like pure water.