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chapter 1

hypothesis A statement of what you think will happen during an investigation
observation Is something you find out objects, events, or living things by using your senses
experiment The use of scientific methods to test your hypothesis
model Models are objects or ideas that represent other things
survey Questions that are answered by people
sampling Taking random individuals and examining them
variable Something that can change in a test
control group The group that does not get the treatment
procedures Are step by step instructions for completing a task
independent variable A variable that you can control or change
dependent variable A variable that changes when an independent variable changes and ends up being the data
experimental group The group that gets the treatment
data Information that helps draw a conclusion
precision The ability to constantly repeat a measurement
accuracy The ability to make a measurement close to the actual value
interference A conclusion based on observations
evidence Observations that make you believe that something is true
Created by: krmallur