have your binder. have a piece of loose leaf paper. have a pen or pencil
Post on 12-Jan-2016
29 Views
Preview:
DESCRIPTION
TRANSCRIPT
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
0
10
20
30
40
50
60
1 3 5 7 9 11 13 15 17
months
gro
wth
in c
m
grow th over 4.5 months
0
10
20
30
40
50
60
1 3 5 7 9 11 13 15 17
monthsg
row
th in
cm
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?
0
1
2
3
4
5
6
7
8
9
10
1 2 3 4 5 6 7 8 9 10
Dep
en
den
t V
ari
ab
le
Independent Variable
ExampleExample
Data
Conclusion? What do you think the data says?
0
1
2
3
4
5
6
7
8
9
10
1 2 3 4 5 6 7 8 9 10
Gra
des
Hours Studying
ExampleExample
Data
Inquire Further:
0
1
2
3
4
5
6
7
8
9
10
1 2 3 4 5 6 7 8 9 10
Gra
des
Hours Studying
top related