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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!

slide2

Title

  • Date
  • U1-6
let s break it down

OHEC =

  • Observation
  • Hypothesis
  • Experiment
  • Conclude
Let’s Break it down!
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
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
example2

Data

  • Conclusion? What do you think the data says?
Example
example3

Data

  • Inquire Further:
Example