1. Scientific Method

2. Scientific Method Observe Question Hypothesis Method Interpret
Conclude

3. Hypothesis
A possible explanation for a problem or question using knowledge and observation
If________________, then________________.

4. Variable
A factor that can cause a change in the results of an experiment
Independent variable- factor that affects the measure of another variable
Dependent variable- factor that changes as a result of changes in another variable

5. Constants & Controls
Constant: a factor that does not change when other variables change
Control: a standard by which the test
results can be compared

6. Theory vs. Law
Scientific theory: explanation based on observations and experiments
Scientific Law: statement about what happens in nature and seems true all the time