LAB_Chapter 4_Microscope and Staining
Name:___________________________________________Period:_____________Date:___________
Activity 1_ Observe the microscope and label it.
Activity 2_ Types of bacteria
baccili
Cocci
Spirillum
Describe
Draw
Activity 2_Identify these microorganisms
Organism
Type
Description
Pro/Eukaryotes
Important characteristics
Anabaena
bacteria
Coprinus
mushroom
Fungus
Aspergillus
condiophores
fungus
Dinoflagellates
algae
Euglena
plant-animal
Oscillatoria
bacteria
filamentous
cyanobacterium
Drawing
Paramecium
unicellular
eukaryote
Bacterial
nucleoplasm
Saccharomyces
budding cells
(yeast) fungus
Penicillum
ascomycetous
fungi
Spirogyra
algea
mixed diatoms
type of
plankton
called
phytoplankton,
(fungus)
Saprolegnia
Rhizophus
sporangia
(fungus)
Stemonitis
mold-fungi
Physarum
plasmodium
mold-fungi
Amoeba Proteus
(Eukaryote)
Polysiphonia
sporophyte
(filamentous
red algae)
Focus monocious
conceptacle
(plant)
Activity 3_ Preparing and fixing slides
Aim Of The Experiment
To study and demonstrate mitosis use of microscope by preparing the slides of microscopically small
objects.
Materials Required
Compound microscope
Water Filter paper
Coverslip
Glass Slide
Forceps
Procedure Of The Experiment
Collect objects provided by your teacher at each station table. Make slide. Observe under the
microscope and complete the following table.
Object
Description
Drawing
1.
2.
3.
4.
5.
POST LAB QUESTIONS
1. The total magnification achieved by the microscope is calculated by _____ the magnification of
the objective and the ocular lens.
2. What is the purpose of adding a drop of mineral oil to the slide?
3. Which of the following is an INCORRECT association?
4. Which of the following prepared specimens contained rod-shaped cells?
5. What microscope component should be adjusted to regulate the amount of light entering the
condenser in order to ensure the best contrast which changing from one objective lens to
another?
6. After you position the specimen over the opening in the stage and rotate one of the low power
lenses into position, what step should be completed next?
7. Which cell are larger: Human blood cells or Bacillus subtilis.
8. What is the recommended procedures when returning the microscope to the cabinet?