Wednesday 11/18

What is the total magnification of a microscope with two lenses when one lens has a magnification of 10x, and the other lens has a magnification of 30x?

• 15x
• 30x
• 40x
• 300x

A microscope is an instrument that.

• makes faraway objects look closer.
• makes small objects appear larger.
• decreases the size of small objects.
• increases the size of small objects.

Tags

NGSS.4-PS4-2

If the eyepiece of your scope has a power of 10, and the selected objective lens has a power of 20,what is the total magnification?

• 20x
• 30x
• 200x
• 2000x

When should the fine adjustment knob always be used?

• with the low power objective only
• with the medium power objective only
• with the high power objective only
• with both the medium and high power objectives

When you focus on a new specimen, always begin with

• low power and coarse adjustment.
• low power and fine adjustment
• high power and coarse adjustment
• high power and fine adjustment

If your teacher asks you to move a microscope to table, how do you carry it?

• by the body tube and the eyepiece
• with one hand
• one hand on the arm and the other under the base
• with one hand on the base and the other on the eyepiece.

Which part of the microscope controls the amount of light available?

• coarse adjustment knob
• diaphragm
• objective lens
• revolving nosepiece

Which part lets you turn up the power of magnification, such increasing from 40x to 100x?

• coarse adjustment knob
• diaphragm
• field-of-view
• revolving nosepiece

Which part is the lighted area you see when looking through the eyepiece?

• coarse adjustment knob
• diaphragm
• field-of-view
• revolving nosepiece

This moves the specimen up or down to adjust the slide containing specimen

• Fine Adjustment Knob
• Coarse Adjustment Knob
• Stage
• Diaphragm