Purpose: You are to figure out who has the biggest
mouth in class.
Question :Who has the larger
oral cavity, males or females?
Hypothesis: (You give)
Test: We will fill the mouths
of volunteers with water to get an approximate volume of their oral cavity. We will do this multiple times and take an
average so that we can compare class data.
We will also measure the height of all participants, in meters.
Materials/table
·
2 cups *Note NO LIQUID, CONTAMINATED WITH SALIVA, MAY
GO INTO THE GRADUATED CYLINDERS!
·
100 ml Graduated
cylinder
·
Pen or pencil
·
marker
·
Water
·
Waste water
disposal-1000 ml plastic beaker
·
Paper towels
·
Pipette (eye
dropper)
·
Meter stick and
metric ruler
·
Amphil
disinfectant
Procudeures with Diagrams:
(You give)
Data Table:1st period
Test
Subject
|
Ave. volume of oral cavity (in ml)
|
Height in meters
|
Gender
|
Mr. Orth
|
83
|
1.81
|
M
|
Aisha A
|
54
|
1.58
|
F
|
Ryan E
|
74
|
1.745
|
M
|
Joseph D
|
90
|
1.86
|
M
|
Grace M
|
70
|
1.56
|
F
|
Evan g
|
70
|
1.74
|
M
|
Aaron A
|
51
|
1.67
|
M
|
Leah F
|
51
|
1.665
|
F
|
Ryan S
|
62
|
1.72
|
M
|
Nandi
|
48
|
1.74
|
F
|
Caro
|
54
|
1.57
|
F
|
|
|
|
F
|
|
|
|
|
|
|
|
|
Observational Journal:
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