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Ch 1

Science chapter 1

TermDefinition
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
Experiment The use of scientific methods to test your hypothesis.
Variable Something that can change in a test.
Control Group The group that doesn't get the special treatment.
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 consistently repeat a measurement.
Accuracy The ability to make a measurement that is as close to the actual value as possible.
Inference A conclusion based on observations.
Evidence Observations that you make you believe that something is true.
modle Objects or ideas that represent other things.
Survey Questions that are answered by people.
Sampling Examining random people from a population.
Independent variables The variable that is changed by the scientist:The 'I control' variable.
Dependent variables Changes when the I.V changes - what is being measured.
Experimental group The group that gets the special treatment.
Created by: audreysloan88
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