Parts of a Microscope

What part of the microscope holds the objective lens, also known as the eye piece or ocular lens, in its place.

• Nose Piece

• Eye Piece

• Body Tube

• Diaphragm

Study the picture. Which number corresponds to the Coarse Adjustment Knob?

• 12

• 13

• 7

• 2

What is the fine adjustment knob used for?

• Used for precise control to focus in on objects

• Used for general control to focus in on objects

• Magnifies the object 4 x's greater

• Magnifies the object 40 x's greater

Study the picture. Where is high power objective lens found in this picture?

• # 9

• # 3

• # 4

• # 5

The light source is responsible for ________________________.

• Controlling the amount of light entering the microscope

• Providing light for the microscope

• Holding the slides in place

• Supporting the slide

Study the picture. Which number corresponds with the part of the microscope that is responsible for rotating and holding the objective lenses?

• # 1

• # 2

• # 3

• # 9

What part of the microscope is used for controlling the amount of light entering the stage?

• Fine Adjustment Knob

• Coarse Adjustment Knob

• Light Source

• Diaphragm

Which part of the microscope magnifies the slide image by 4 x's?

• The Ocular Lens

• The Low Power Objective Lens

• The Medium Power Objective Lens

• The High Power Objective Lens

Study the picture. Which 2 parts are used to carry and support the microscope?

• The arm and the stage

• The eye piece and the base

• The base and the arm

• The arm and the body tube

Which objective is ALWAYS the objective you should start viewing a slide on?

• The 4 x's objective lens

• The 10 x's objective lense

• The 40 x's objective lense

• The 25'x objective lense