Cover Slip
Revolving nosepiece
Grab from here to move the microscope safely
Objective Lens
Glass Slide
Dependent Variable
This should be used to focus under high power.
Controlled Variable
This should ONLY be used under low power magnification/objective. If you use this under high power then you can crack the lens or slide.
How to focus the microscope on medium and high power
Body Tube
This protects the slide so it doesn't fall and break.
The eyepiece
The diaphragm that adjusts the amount of light
how to focus the micoscope on low power
Stage
Independent Variable
start with the stage at its lowest setting. Make sure the low power lens is being used. Make sure its turned on and light is on. Using the course adjustment knob, slowing raise the base until the picture is in view.
Variable that is measured in an experiment. The effect
Variable that is changed in an experiment. The cause
Use the fine adjustment knob to bring the specimen into focus. If this does not work rotate back out to the low power lens and refocus. Then return to medium/high power.
Variable that is kept the same in an experiment that might otherwise effect the results.
