Wednesday, September 19, 2012

End of grading period

The end of the First grading period for all classes is this friday, Sept. 21st. 2012.  It is also the autumnal equinox... Welcome Fall!!  ;-D  Mr. orth

Thursday, September 13, 2012

Biology- Big Mouth lab guidesheet

Purpose:  You are to figure out who has the biggest mouth in class.

Question :Who has the larger oral cavity?

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:2nd  period

Test Subject

Ave. volume of oral cavity (in ml)
Height in meters
Gender
Mr. Orth

1.822
M
Cindy


F
Michael


M
Angelina (Gica)


F
Kyle


F
Gabe


M
Louis


M
Nic


M
Farah


F
Alhfa


F
Dana


F














Observational Journal: