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ch. 1
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 by using your senses |
model | objects or ideas that represent other things |
survey | questions that are answered by people |
experimental group | the group that gets the special treatment |
control group | the group that doesn't get the special treatment |
Experiment | the use of scientific methods to test our hypothesis |
variable | some thing that can change in a test |
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 | the ability to consistent repeat a measurement |
accuracy | the ability to make a measurement that is as close to the actaul value as possible |
inference | a conclusion based on observations |
evidence | observations that make you believe some thing is true |