Scientific Concepts and Investigations Flashcards

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Scientific Theory

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An explanation of why something happens, based on lots of evidence.

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Scientific Law

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A rule that describes what always happens in nature.

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Experimental Investigation

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A test where you change something to see what happens.

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Observational Investigation

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Watching and recording without changing anything.

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Comparative Investigation

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Comparing two or more things to find similarities and differences.

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Observation

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Using your senses to notice and describe things.

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Inference

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An educated guess or conclusion based on observations.

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Empirical Evidence

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Information you can see, measure, or test directly.

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Replication

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When other scientists repeat your experiment to check your results.

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Repetition

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When you repeat your experiment many times for accuracy.