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**What is Science? Word Wall #1**

7th Grade Science

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Variable A factor that can affect the result of an experiment.

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**Independent/Test Variable**

The one variable that is purposely changed to test the hypothesis. Hint: it is what you do in the experiment.

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**Dependent/Outcome variable**

The factor that changes in response to the independent variable. Hint: generally, this is what you measure in your results.

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Qualitative Data An observation/description that cannot be expressed with numbers.

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Quantitative Data An observation that deals with numbers or amounts.

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Hypothesis A possible answer to a scientific question. Also a testable statement.

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Inference When an observation is explained or interpreted.

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**Observation Determining something by using your five senses.**

Recognizing or noting a fact or occurrence.

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