Based on the analysis of the provided image, here is a complete identification of all 22 labeled parts of the compound microscope:
1.
Eyepieces (Ocular Lenses): The lenses you look through to view the specimen.
2.
Head: The top part of the microscope that houses the eyepieces and connects to the body tube.
3.
Arm: The curved part that connects the head to the base; used for carrying the microscope.
4.
Body Tube: The tube that connects the eyepieces to the objective lenses.
5.
Revolving Nosepiece (Turret): A rotating disk that holds the objective lenses. It allows you to switch between different magnifications.
6.
Objective Lenses: The primary optical lenses that magnify the specimen. They are located on the nosepiece.
7.
Stage: The flat platform where the slide with the specimen is placed.
8.
Fine Adjustment Knob: A small knob used for precise focusing after the initial focus has been set with the coarse adjustment knob.
9.
Coarse Adjustment Knob: A large knob used for making large adjustments to the focus, typically for bringing the specimen into general view.
10.
Base: The bottom part of the microscope that supports the entire instrument.
11.
Light Source (Illuminator): A built-in light at the base that illuminates the specimen from below.
12.
Power Switch: A switch to turn the light source on and off.
13.
Intensity Control (Dimmer Switch): A dial or switch to adjust the brightness of the light source.
14.
Condenser Focus Knob: A knob used to move the condenser up and down to focus the light onto the specimen.
15.
Condenser: A lens system located under the stage that focuses light from the illuminator onto the specimen.
16.
Diaphragm (Iris Diaphragm): A device under the stage that controls the amount of light reaching the specimen by adjusting the size of the aperture.
17.
Stage Clips: Metal clips that hold the microscope slide in place on the stage.
18.
Mechanical Stage Controls: Knobs that allow for precise movement of the slide along the X and Y axes.
19.
Pointer: A small pointer located in one of the eyepieces, used to indicate specific areas of the specimen.
20.
High Power Objective Lens: One of the objective lenses, typically providing higher magnification (e.g., 40x).
21.
Low Power Objective Lens: One of the objective lenses, typically providing lower magnification (e.g., 10x).
22.
Revolving Nosepiece (Turret): The same component as label 5, which holds and rotates the objective lenses.
This worksheet provides a comprehensive overview of the key components of a standard compound microscope, essential for understanding its operation and use in scientific observation.
Parent Tip: Review the logic above to help your child master the concept of microscope use worksheet.
