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chapter 1


hypothesis a statement of what you think will happen during an investigation
observeration something you find out about objects, events, or living things by using your senses
experiment use of scientific methods to test you hyothesis
variable something u can change in a test
control group the group that DOESNT 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 mad
precision ability to consistently repeat a measure
accuracy 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
independent variable the one that you can control
dependent variable changes when an independent variable changes-it is what gets measured- gives you data
model objects or ideas that represent other things
survey questions that are answered by people {great for opinion questions}
sampling examining random individuals from a population
experimental group the group that gets the special treatment!!
Created by: piper-longest