1. Scientific Methods

2. SCIENTIFIC METHODS

3. Problem
Research
Hypothesis
Experiment
Analysis
Conclusion
State what the problem is so that it is understood.
Find as much information about your problem as you can. Form questions about your problem to help with the research and hypothesis.
Based on the findings of your research, form a hypothesis or an “educated guess”.
Test your hypothesis by conducting experiments.
Study the data from your experiments and perform any necessary calculations.
Use your analysis to sum up the lab and explain if your hypothesis was proved or not.

4. THE ENGINEERING CYCLE

5. Variables

6. Variable
Independent Variable
Dependent Variable
Control
Something that can change in an experiment.
Something in an experiment that you, the experimenter, changes on purpose to test your hypothesis.
Something in an experiment that changes in response to the independent variable.
Something in an experiment that is kept from changing, it remains constant.

7. If I change my , then my will change.
HYPOTHESIS FORMULA
If I change my , then my will change.
independent variable
dependent variable