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Chapter 1
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 by using your senses. |
Experiment | Is the use of scientific methods to test your hypothesis. |
Variable | Is something that change in a test. |
Independent Variable | Is one that you can control. |
Dependent Variable | Changes a when a independent variable changes. It is what gets measured. It gives you data. |
Control Group | The group that doesn't get the special treatment. |
Procedures | Are a step by step instructions for completing a task. |
Data | Are information from which a conclusion can be drawn or a prediction can be made. |
Precision | Is the ability to consistently repeat a measurement. |
Accuracy | Is the ability to make a measurement that is as close to the actual value as possible. |
Inference | Is a conclusions based on observations. |
Evidence | They are observations that make you believe that something is true. |
Model | Are objects or ideas that represent other things. |
Surveys | Questions that are answered by people. Great for option questions. |
Sampling | Examining random individuals from a population. |
Experimental Group | The group that gets the special treatment. |