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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.

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

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

Be in your seat when the bell rings!


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

  • Title

  • Date

  • U1-6


Let s break it down

  • OHEC =

  • Observation

  • Hypothesis

  • Experiment

  • Conclude

Let’s Break it down!


Observation

  • See something odd.

Observation


Hypothesis

  • Make an If…then… statement.

Hypothesis


Experiment

  • 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


Control the variables

  • 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


Which one is best

  • Line Graphs = Change over time.

  • Bar Graphs = Different Groups.

Which one is best?


Conclusion

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

  • Write about it.

  • Identify errors in controlling the variables.

Conclusion


Example

  • Observation

    • Some students do better on tests than others.

  • Hypothesis

    • If______________________________then

      ___________________________________.

  • Experiment

    • Control –

      • ______________________________

    • Experimental –

      • ______________________________

Example


Example1

  • Where does the Data go?

Example


Example2

  • Data

  • Conclusion? What do you think the data says?

Example


Example3

  • Data

  • Inquire Further:

Example


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