Unit 4 - Matter and Energy Exchange Flashcards
Manipulated Variable
the variable that is being tested
when graphed: x axis
Responding Variable
the results
when graphing: y axis
Controlled Variable
factors that need to stay the same.
e.g age, sex, length of time
Ocular lens
look through to see object under the microscope.
- Usually 10x magnification.
Body Tube
Connects the ocular to the microscope.
Arm
Connects the base and the barrel.
Revolving nosepiece
Turns to change the objective lens to use.
Stage Clip
Holds the slide in place
Objective lenses
Used to view objects at three different magnifications.
- 4x, 10x, 40x
Adjustment knob
Moves the stage side-to-side, or forward and back to get the object into the field of view.
Slide
Piece of glass onto which the object to be viewed is placed.
Stage
Holds up the slide for viewing.
Coarse adjustment knob
Raises and lowers the stage for focusing under LOW power only.
Iris diaphragm
Adjusts the amount of light entering the field of view.
Fine adjustment knob
Slightly moves the stage to sharpen the image.
