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chapter 1
Question | Answer |
---|---|
data | is information from which a conclusion can be drawn or a prediction can be made |
procedures | is step-by-step instructions for completing a task |
control group | the group that dosen't get the special treatment |
variable | is somthing that can change in a test |
experiment | is the use of scientific methods to tests your hypothesis |
observation | is something you find out about objects, events, or living things by using your senses |
hypothesis | is a statement of what you think will happen during an investigation |
inference | is a conclusion based on observations |
independent variable | is one that you can control |
dependent variable | changes when an independent variable it is what gets measured and give you data. |
evidence | are observations that make you believe that somthing is true |
precision | is the abilitlyto consistently repeat a measurement |
accuracy | is the ability to make a measurement that is as close to the actual value as possible. |
model | objects or ideasthat represent other things |
survey | questions that are ansered by people |
sampling | examining random individuals from a population |
experimental group | the group that gets the special treatment |