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Chapter 1
Term | Definition |
---|---|
Hypothesis | is 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 can change in a test |
Control Group | the group that doesn't get the special treatment |
Procedures | are step-by-step instructions for completing a task |
Independent Variable | is one that you can control |
Dependent Variable | changes when an independent variable does. it is what measured. this is your data |
Data | is 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 conclusion based on observation |
Evidence | are observation |
Models | are objects or ideas that represents other things |
Surveys | questions that are answered by people. great for opinion questions |
Sampling | examining random individuals from a population |
Experimental Group | is the group that get's the special treatment |