Have your binder. Have a piece of loose leaf paper. Have a pen or pencil.
description
Transcript of Have your binder. Have a piece of loose leaf paper. Have a pen or pencil.
Have your binder.Have your binder.Have a piece of loose Have a piece of loose
leaf paper.leaf paper.Have a pen or pencil.Have a pen or pencil.Be in your seat when the bell rings!
TitleDateU1-6
Let’s Break it down!Let’s Break it down!
OHEC = ObservationHypothesisExperimentConclude
ObservationObservation
See something odd.
HypothesisHypothesis
Make an If…then… statement.
ExperimentExperiment
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.
Control the VariablesControl 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.
Which one is best?Which one is best?
grow th over 4.5 months
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grow th over 4.5 months
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Line Graphs = Change over time.Bar Graphs = Different Groups.
ConclusionConclusion
Look at the data to see if your hypothesis was correct.
Write about it.Identify errors in controlling the variables.
ExampleExample
Observation◦Some students do better on tests than others.
Hypothesis◦If______________________________then
___________________________________.Experiment
◦Control – ______________________________
◦Experimental – ______________________________
ExampleExample
Where does the Data go?
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Independent Variable
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Data
Conclusion? What do you think the data says?
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ExampleExample
Data
Inquire Further:
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