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Chapter 1

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 their senses.
experiment The use of scientific methods to test your hypothesis.
Model Objects or ideas that represent other things.
Survey Questions that are answered by people.
Sampling Examining random individuals from a population.
Variable Something that you can change in a test.
Control Group The group that does not get the treatment.
Procedure A step-by-step instructions.
Data Information to form a conclusion.
Precision The ability to consistently repeat a measurement.
Accuracy The ability to make a measurement that is close.
Inference A conclusion based on observations.
Evidence observations that make you believe something is true.
Independent variable One that you can control or change.
Dependent Variable Is what gets measured, changes when independent variable changes.
experimental group The group that gets the treatment.
Created by: Brady4824