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Scientific Method
Series of steps used to answer a question
Step 1: Observation
Observations are the basis for forming hypotheses and making predictions.
Step 2: Questions
Questions are the “why”. What am I investigating?
Step 3: Hypothesis
Educated guess, If…then…
Step 4: Experiment
Test your hypothesis & prediction
Independent variable
changed ON PURPOSE by the scientist
Dependent variable
What the scientist measures in an experiment
Control Variable
Items that stay the same
Validity
3 times
Control Group
original (for comparison)
Experimental group
gets the change (IV)
Note 
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