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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 your senses. |
Experiment | The use of scientific methods to test your hypothesis. |
Variable | Something that can change in a test. |
Independant Variable | Is one that you can control. |
Dependant Variable | Changes when an indepedant variable changes. It is what is measured This is your data. |
Control Group | The group that doesn't get the special treatment. |
Procedures | Are step-by-step instructions for completing a task. |
Data | 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 inference is the dog barking because it sees a rabbit. |
Evidence | Are observations that make you believe that something Is true. |
Survey | Questions that are answered by people.Great for opinion questions. |
Sampling | Examining random individuals from a population. |
Models | Objects or ideas that repreasent other things. |
Experimental group | The group that gets the special treatment. |