Microscopes

The diaphragm....

• controls how much light can shine through the slide

• holds the slide in place on the stage

• is what you look through to see

The eyepiece is.....

• what you use to carry the microscope

• what you look through to see

• controls how much light shines through to the slide

What 'shines light to allow you to see the specimen'?

• stage

• light source

• arm

The specimen is....

• what you are looking at on the slide

• allows you to change between low, medium, and high power.

• holds the slide in place

What is the knob that moves the stage UP AND DOWN?

• specimen

• stage

• course adjustment

You should always carry the microscope by the

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

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

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

The__________ sharpens the image under high magnification.

• revolving nosepiece
• fine adjustment knob
• coarse adjustment knob

Which knob should you turn first in order to see the what is on the slide more clearly?

• The little knob (fine adjustment knob) down lower
• The larger knob (course adjustment knob) up higher
• The revolving lenses
• The diaphragm 

Which knob should you turn second to get an even better view of what is under the microscope?

• The little knob (fine adjustment knob) down lower
• The larger knob (course adjustment knob) up higher
• The revolving lenses
• The diaphragm