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Chapter 1
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 by using their senses. |
experiment | The use of scientific methods to test your hypothesis. |
Model | Objects or ideas that represent other things. |
Survey | Questions that are answered by people. |
Sampling | Examining random individuals from a population. |
Variable | Something that you can change in a test. |
Control Group | The group that does not get the treatment. |
Procedure | A step-by-step instructions. |
Data | Information to form a conclusion. |
Precision | The ability to consistently repeat a measurement. |
Accuracy | The ability to make a measurement that is close. |
Inference | A conclusion based on observations. |
Evidence | observations that make you believe something is true. |
Independent variable | One that you can control or change. |
Dependent Variable | Is what gets measured, changes when independent variable changes. |
experimental group | The group that gets the treatment. |