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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 Is the use of scientific methods to test your hypothesis.
variable Is something that can change in a test.
independent variable Is one that you can control.
dependent variable Changes when an independent variable changes. It is what gets measured. It is your data.
control group The group that doesn't get the special treatment.
procedures Are step by step instructions when completing a task.
data Is information from which a conclusion can be drawn or a prediction can be made.
precision Is the ability to consistently repeat a measurement.
accuracy Is 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 make you believe that something is true.
model Objects or ideas that represent other things.
survey Questions that are answered by people. Great for opinion question.
sampling Examining random indivuals from a population.
experimental group The group that gets the special treatment.
Created by: regan-kelly
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