Microscope Parts and Functions

Fill in the blank: The _______ is used to rotate the objective lenses to change magnification.

• A) Nose piece

• B) Stage

• C) Diaphragm

• D) Base

Fill in the blank: The _______ lens is the longest lens

• 4x lens

• 10x lens

• 40x lens

• Eyepiece

What is the purpose of the stage clips?

• Hold the slide in place

• Adjust the focus

• Change the light intensity

• Rotate the nose piece

Which part of the microscope is responsible for illumination?

• Light

• Diaphragm

• Base

• Stage

Fill in the blank: The _______ is where you place the slide for viewing.

• A) Stage

• B) Base

• C) Eyepiece

• D) Nose piece

Which part connects the eyepiece to the objective lenses?

• Body tube

• Nose piece

• Stage

• Base

Fill in the blank: Which lens should be over the stage when you first begin focusing the specimen?

• shortest

• medium

• longest

The COURSE focus

• will move the stage A LOT

• will not move the stage at all

• will move the stage very little

• will adjust the light levels

Which knob do you use when focusing with the shortest lens?

• fine

• course

Which of the following is necessary when labeling a slide drawing? choose 2

• Specimen name

• Magnification observed at

• how many times you rotated the diaphragm

• Slide number