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chapter 1
Term | Definition |
---|---|
hypothesis | a statement of what you thin will happen during an investigation |
observation | is something you find out about an object, event , or living thing by using your senses. |
experiment | is the use of scientific method to test your hypothesis |
variable | is something that can change in a test. |
independent variable | variable is one one that you can control |
dependent variable | variable changes when an independent variable changes. it is what gets measured. it give you data. |
control group | the group that doesn't get the special treatment. |
proceeders | step-by-step instructions for completing a task. |
data | information from which a conclusion can be drawn former a prediction can be made. |
precision | is the ability to constantly repeat a measurement |
accuracy | is the ability to make a measurement that is as close to the accrual as possible |
inference | conclusion based on observation. |
Evidence | are observations that you make you believe something is true |
model | used to test objects or ideas that represent something else. |
surveys | questions that are answered by people. Great for opinion. |
sampling | examining random individual from a population. |
experimental group | the group that gets the special treatment |