Using a Microscope

Find total magnification for:
Eyepiece = 10X 
Objective lens = 4X  

• 4x

• 6x

• 14x

• 40x

If you accidentally break a microscope slide, you should

• clean it up yourself

• try to hide it from the teacher

• tell the teacher immediately

Holds the objectives, used to switch between magnifications (low, high, and scanning)

• revolving nosepiece

• stage

• arm

• base

Find total magnification for:
Eyepiece = 20X 
Objective lens = 20X  

• 20x

• 40x

• 200x

• 400x

Which way should you move the slide to center the cheek cell?

• to the right

• to the left

• up (away from you)

• down (toward you)

The largest field of view shown is under the total magnification _____X.

• 40

• 100

• 400

The __________ sharpens the image under high magnification.

• the diaphragm

• fine adjustment knob

• coarse adjustment knob

• the ocular

When looking through your microscope, if you move your slide to the right the slide appears

• to move to the right

• to stay the same

• to move to the left

• vanish

A 10X lens is also known as what?

• Scanning lens

• High Power lens

• Oil Immersion lens

• Low Power Lens

What is immersion oil and why is it used?

• Immersion oil is a cleaning solution used to smooth and polish the lens

• Immersion oil is a special fluid used only with the 100X lens to refocus light resulting in an enhanced resolution image

• Immersion oil is a medium used to hold the specimen in suspension

Tags

NGSS.MS-PS4-2