Scientific Method

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Problem-solving process used by scientists.

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Scientific Method

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NGSS.MS-LS1-5

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Not a step in the scientific method:

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Draw a picture

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NGSS.MS-LS1-1

NGSS.MS-PS1-2

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Hypothesis

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Testable explanation

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NGSS.MS-PS2-2

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Definition of iterate:

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Use results to make new predictions or hypotheses.

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NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

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Scenario: Cat gaining weight after new food.

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Observation

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NGSS.MS-LS1-5

NGSS.MS-LS2-1

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Step of the scientific method: Why is my cat gaining weight?

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Ask a question

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NGSS.MS-LS1-5

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Observation: My cat is gaining weight with new food. Hypothesis?

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Propose a hypothesis

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NGSS.MS-LS1-5

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Step of the scientific method: Switching to higher quality cat food will lead to weight loss in my cat.

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Make a prediction

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Test your predictions

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NGSS.MS-LS1-5

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Step of the scientific method: After weighing your kitty for a month and seeing she's lost a pound on new food, you decide to continue the food and add 20 minutes of playtime.

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Iterate

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NGSS.MS-ETS1-4