Science 7 Review 1

Which part of the microscope is responsible for magnifying the images of samples?

• body tube

• condenser

• objective lenses

• base

Which of the following can regulate the intensity of light that can pass through your sample/specimen?

• body tube

• objective lenses

• arm

• condenser

Which of the following parts of the microscope is NOT directly involved in image illumination?

• base

• objective lens

• eyepiece

• condenser

How many lenses aid AT THE SAME TIME in generating a magnified image under a compound microscope?

• two

• three

• four

• five

When observing a specimen, how can you prevent the slide mounted on the stage from moving?

• position the stage properly

• use the stage clip to hold the slide

• maintain minimal inclination of the microscope

• position the base properly

Which of the following is correct as you move the microscope from one place to another?

• hold the nosepiece and the condenser

• hold the objective lenses and the base

• hold the eyepiece and the body tube

• hold the arm and the base

For proper position of the microscope, the handle/arm must be pointing what direction?

• away from the user

• towards the user

• pointing to the right

• pointing to the left

What knob must be turned FIRST for initial focusing of the sample/specimen?

• fine adjustment knob

• base knob

• course adjustment knob

• light intensity knob

How would you know that the objective lens that you will be using is in the proper position for focusing?

• You must hear a "click" while turning the lens

• You must see the objective lens in a straight line with the specimen

• You must see the lens aligned with the stage

• You must position the lens 90 degrees away

In viewing the image under the microscope, your specimen will move to the _________ when you move the slide to the right.

• right

• left

• upward

• downward