1. How Scientists Work The scientific method

2. Designing an experiment PurposePurpose ResearchResearch Form a HypothesisForm a Hypothesis ExperimentExperiment AnalyzeAnalyze ConclusionConclusion

3. Purpose What do you want to know?What do you want to know? What question are you trying to answer?What question are you trying to answer?

4. Research Learn as much as you can about the topicLearn as much as you can about the topic

5. Hypothesis Make a prediction, state what you think will happenMake a prediction, state what you think will happen Answer your question.Answer your question.

6. Controlled Experiment Design a test to either confirm or disprove your hypothesis.Design a test to either confirm or disprove your hypothesis. Test your hypothesis by an experiment where only one variable is changed at a time. All other variables should be kept unchanged/controlled.Test your hypothesis by an experiment where only one variable is changed at a time. All other variables should be kept unchanged/controlled. Dependent/responding variable= the variable that is observed or is being measured.Dependent/responding variable= the variable that is observed or is being measured. Independent/manipulated variable= the variable that is purposely changed.Independent/manipulated variable= the variable that is purposely changed.

7. Control Group The group that is left alone, the group is not being tested for anythingThe group that is left alone, the group is not being tested for anything used to compare the experimental group to.used to compare the experimental group to.

8. Analysis Record your results of the experiment

9. Conclusion State whether your hypothesis was right or wrong and state why.State whether your hypothesis was right or wrong and state why. Analyze your data and determine whether your hypothesis was correct or incorrect.Analyze your data and determine whether your hypothesis was correct or incorrect.

10. How a Theory Develops When we gather and build up enough evidence to support a hypothesis we call that a theoryWhen we gather and build up enough evidence to support a hypothesis we call that a theory Theory is a well tested explanation that unifies a broad range of observations.Theory is a well tested explanation that unifies a broad range of observations. Theories allow scientist to make accurate predictions about different situationsTheories allow scientist to make accurate predictions about different situations