Being a Keen Observer Requires ______

question 3

Multiple Choice

Being a keen observer requires ______.

• A)funding
• B)practice
• C)natural skills
• D)willing participants

---

Definitions:

Adjustment Knobs

Controls on a microscope used to focus the image by moving the stage or the optics closer to or farther from the specimen.

Objective Lens

The lens in a microscope closest to the specimen, which collects light and focuses the image into the eyepiece.

Fine Adjustment Knob

A control knob on microscopes used to make precise adjustments to the focus of the specimen being viewed.

Electrical Plug

A device for making an electrical connection between an appliance and the electricity supply.