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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. |