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.

Tags

NGSS.MS-LS1-1

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In an experiment on plant growth, what should be kept constant?

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Type of plant, flower pot, soil, and amount of sunlight.

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What is the independent variable in an experiment testing how watering affects plant growth?

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The amount you water each plant.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

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What is a testable prediction in a scientific investigation called?

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Hypothesis.

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What is a good hypothesis for an experiment measuring leaf growth in different light conditions?

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If plants are placed in bright light, then they will grow more green leaves than in dim light.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

Front

What is the dependent variable in an experiment measuring plant growth?

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The growth of the plant, often measured by height or number of leaves.

Tags

NGSS.MS-LS1-5

Front

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.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

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What is the role of a hypothesis in the scientific method?

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To provide a testable statement that can be supported or refuted through experimentation.

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What is an example of a variable that should be controlled in a plant growth experiment?

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The type of soil used for all plants.