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# Have your binder. Have a piece of loose leaf paper. Have a pen or pencil. PowerPoint PPT Presentation

Have your binder. Have a piece of loose leaf paper. Have a pen or pencil. Be in your seat when the bell rings!. Title Date U1-6. OHEC = Observation Hypothesis Experiment Conclude. Let’s Break it down!. See something odd. Observation. Make an If…then… statement. Hypothesis.

Have your binder. Have a piece of loose leaf paper. Have a pen or pencil.

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## Have your binder.Have a piece of loose leaf paper.Have a pen or pencil.

Be in your seat when the bell rings!

• Title

• Date

• U1-6

• OHEC =

• Observation

• Hypothesis

• Experiment

• Conclude

### Let’s Break it down!

• See something odd.

### Observation

• Make an If…then… statement.

### Hypothesis

• You must identify and control the variables.

• If…I.V.…then…D.V.…

• Independent variable - Cause

• Dependent variable - Effect

• You need two groups to compare results.

• Control Group – does not get the I.V.

• Experimental Group – gets the I.V.

• Collect some data.

### Experiment

• The only thing different between the control group and the experimental group should be the independent variable.

• Use a large sample to get better results.

### Control the Variables

• Line Graphs = Change over time.

• Bar Graphs = Different Groups.

### Which one is best?

• Look at the data to see if your hypothesis was correct.

• Identify errors in controlling the variables.

### Conclusion

• Observation

• Some students do better on tests than others.

• Hypothesis

• If______________________________then

___________________________________.

• Experiment

• Control –

• ______________________________

• Experimental –

• ______________________________

### Example

• Where does the Data go?

### Example

• Data

• Conclusion? What do you think the data says?

### Example

• Data

• Inquire Further: