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Chapter 1
Term | Definition |
---|---|
Hypothesis | a statement of what you think will happen during a investagation. |
Observation | something you find out about objects, events or living things by using your senses. |
Experiment | a use of scientific methods to test your hypothisis. |
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 a task. |
Data | information from which a conclusion can be drawn or a prediction can be made. |
Precision | a ability to consistently. |
Accuracy | 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 | |
Dependent Variable | it is what is measured, changes when the independent variable changes, gives you data. |
Model | objects or ideas that represent other things. |
Survey | questions that are answered by people. great for opinion questions. |
Sampling | examining random indaviduals from a population. |
Experimental Group | the group that gets the special treatment. |