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Chapter 1
Term | Definition |
---|---|
Hypothesis | is a statement of what you think will happen during an investigation If... Then... Because... |
Observation | is something you find out about objects |
Experiment | is the use of scientific methods to test your hypothesis |
Variable | is something that can control |
Control group | the group that DOESN'T get special treat meant |
Procedures | are 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 conclusion based on observations |
Evidence | are observations that make you believe that something is true |
Independent variable | is one that you can control the I contol |
Dependent variable | changes when an independent variable changes, it is what gets measured, gives you data |
Models | object or ideas that represent other things |
Survey | 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 treat meant |