microscopes pre-assessment

What is the magnification of the eye piece?

• 10x

• 20x

• 5x

• 40x

Which of the following is NOT the magnification of one of the objective lenses?

• 4x

• 10x

• 20x

• 40x

Which lense should you use first when looking at a specimen?

• Highest

• Lowest

• It doesn't matter

Which adjustment knob should you use when first attempting to put the specimen into focus?

• Course Adjustment

• Fine Adjustment

What part of the microscope does # 11 represent?

• base

• arm

• stage

• revolving nosepiece

What two parts of the microscope should be held when carrying it from one place to another?

• arm and nosepiece

• stage and base

• arm and base

• eyepiece and stage

__________________________ are used to hold a slide in place while it is being viewed.

• stage

• objective lenses

• stage clips

• adjustment knobs

#13 represents the part of the microscope which helps to sharpen an image after it has been put into focus.

• course adjustment knob

• fine adjustments knob

• revolving nosepiece

• stage clips

What is the diaphragm (#7) used for?

• help keep the slide in place

• control the overall magnification of the specimen

• help move the stage up and down

• control the amount of light while viewing the specimen

This part holds all the objective lenses and can be rotated to view the specimens at different magnifications.

• adjustment knobs

• diaphragm

• revolving nosepiece

• stage