Microscopes

You should always carry the microscope by the

• arm and base
• arm and body tube
• arm only

The diaphragm helps to

• focus
• allow light to pass through the stage
• change the lens size

When looking at a specimen on your slide, you should always start with the

• low objective lens
• medium objective lens
• high objective lens

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

• to move to the right
• to stay the same
• to move to the left

Tags

NGSS.MS-PS2-2

The _______focuses the image under low power.

• revolving nosepiece
• fine adjustment knob
• coarse adjustment knob

The__________ sharpens the image under high magnification.

• revolving nosepiece
• fine adjustment knob
• coarse adjustment knob

You can find total magnification by which of the following methods?

• adding the eyepiece and the objective lens
• multiplying the eyepiece and the objective lens
• adding the eyepiece and all of the objective lenses
• multiplying the eyepiece and all of the objective lenses

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

• 20x
• 40x
• 200x
• 400x

Find the total magnification:
Eyepiece = 15X 
Objective lens = 100X  

• 15x
• 100x
• 115x
• 1500x

Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  

• 10x
• 55x
• 65x
• 550x