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Chapter1
The Nature of Science
Term | Definition |
---|---|
Hypothesis | A statement of what you think will happen during an investigation. |
Observation | Is something you find out about objects,events,or living things. |
Experiment | The use of scientific methods to test your hypothesis. |
Variable | Is something you can change in a test. |
Independent Variable | Is a test you can control. |
Dependent Variable | Is when an Independent Variable changes. It is what is measured. This is your data. |
Control Group | The group that doesn't get the special treatment. |
Procedures | Step by step instructions for completing a task. |
Data | Information from which a conclusion can be drawn. |
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. |
Infrence | A conclusion based on observations. |
Evidence | Observations that make you think something is true. |
Model | Often used to study things that are very large. |
Survey | 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. |