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Science Chapter 1

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 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 special treatment
procedures Step by step instructions for completing a task.
Models Objects or ideas that represent other things
survey questions that are answered by people. great for opinion questions.
Independent variable A variable you can control
Dependent variable A variable that changes when a independent variable changes
sampleing examining random people from the population
Experimental group The same as the control group except it does get special treatment
data Information from which a conclusion can be draw and predictions can be made
precision the ability to always repeat a measurement.
accuracy the ability to make a measurement that is as close to the actual values as possible.
inference a conclusion based observations.
Created by: alex-fulkerson