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Chapter1
| Term | Definition |
|---|---|
| Hypothesis | a statement of what you think will happen during an investigation. |
| Observation | something you find out about objects,events,or living things. |
| Experiment | the use of scientific methods to test your hypothesis. |
| Variable | something that can change in a test. |
| Control Group | the group that doesn't get the special treatment. |
| Procedures | step by step instructions for completing |
| Data | information from which a conclusion can be drawn or a prediction |
| Precision | the ability to consistently repeat a measurement. |
| Accuracy | the ability to make a measurement that is as close to the actual value as possible |
| Inference | a conclusion based on observations |
| Evidence | observations that make you believe that something is true. |
| Independent variable | something that you can control. |
| dependent variable | something changes. it is what is measured. this is your data. |
| models | objects or ideas that represent other things |
| surveys | questions that are answered by people. great for opinion questions. |
| sampling | examining random individuals from a population. |
| experimental group | the group that gets the special treatment. |