Transcript Cheek Observation

Cell Observation
Lab
Cheek (Animal) Cell
Elodea (Plant) Cell
Cheek Cell Slide Preparation
 Obtain a clean slide.
 Place 1 drop of stain in
the middle of the slide.
 Scrape cells from the
inside of your cheek.
 Stir them in the stain.
 Add a cover slip.
 Sketch (½ page) a cell on high power.
 Label all visible structures to the best
of your abilities.
Finding Your Specimen
Start with the scanning objective.
Clip the slide in place.
Adjust diaphragm if necessary.
Center and focus (coarse and fine
adjustment)
Repeat with low power objective.
Switch to high power and sketch one cell.
DO NOT USE THE COARSE ADJUSTMENT
WITH THE HIGH POWER OBJECTIVE IN
PLACE!
Cheek Cells
Cheek Cells
Cheek Cells
Cheek Cells
CLEAN UP!!
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Clean and DRY slides and cover slips.
Put the scanning objective in place.
Clean up spills and trash.
Remember to label your sketch!