the scientific method insect biodiversity ms. schultheis
TRANSCRIPT
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The Scientific MethodInsect BiodiversityMs. Schultheis
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HypothesisA possible explanation for
something we observe around usAddresses a particular question
we have
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ExperimentDesign an experiment that will
test your hypothesisProcedure you choose must take
into account other factors that might interfere with your results
Results must be reliable
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In your experiment you must:
ReplicateRandomize
◦ Reduces bias of the scientist◦ Gives a more reliable sample
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Collect and interpret dataData – the observations and
measurements taken while running the experiment◦Make graphs◦Draw tables◦Make calculations◦Check for
sources of error
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Draw conclusions and design future experiments!
Does your data support your original hypothesis?
What do the conclusions of your study mean for science and society?
Is there something you would change about the previous experiment?
Does the experiment lead to even more questions?
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WHAT HABITATS HAVE THE HIGHEST INSECT DIVERSITY?
Your Scientific Question:
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Break into groups to discuss:What hypothesis do you want to
test related to the scientific question?
How will you test your hypothesis?
Write down:◦Your hypothesis◦A short experimental design
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Your supplies:Habitats around
your school:◦ Bioenergy plots◦ Lawn◦ Parking lot
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Go into the field!
Bioenergy Plots School Yard
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POOLED CLASS DATA
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POOLED CLASS DATA
10
11
16
6
468
948
512
130
10
7
9
2
46.8
86.2
32
8.1
1
0.6
1.8
0.125
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Woods Wetland Biofuel Plots
Parking Lot0
10
20
30
40
50
60
70
80
90
100
Habitats
Avera
ge I
nvert
eb
rate
A
bu
nd
an
ce /
Tra
p
INVERTEBRATE ABUNDANCE
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INVERTEBRATE KINDS
Woods Wetland Biofuel Plots
Parking Lot0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Habitats
Avera
ge K
ind
s o
f In
-vert
eb
rate
s /
Tra
p