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Published byIan McDermott Modified over 4 years ago

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**Objectives 11-13 11 -Make qualitative and quantitative observations**

12 - Distinguish between an observation and an inference 13 -Distinguish between an independent and dependent variable

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**Types of Observations Quantitative - notes how many.**

5 days, 6 legs, 10 fingers Qualitative - description other than a number. color, taste smell

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**Observation vs. Inference**

Observation - act of noticing something Inference - conclusion based on an observation

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**Example of an Inference**

Observations it has six legs it is green it has three body parts it has 2 wings

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**Example of an Inference**

Observations it has six legs it is small it has three body parts it has 2 wings inference = It is an insect

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**Dependent vs. Independent Variables and Controls**

Control-unaltered part of the experiment used as a standard for comparison Variable- A quantity or quality that is subject to change Independent variable-variable that is manipulated in an experiment Dependent variable-variable affected by the independent variable

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