Microscopes BrainPOP

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.

What piece is a larger knob usually found on either the body tube or the arm and it is used to focus the image under low power?

• Aperture

• Fine Adjustment Knob

• Diaphragm

• Course Adjustment Know

What piece is the smaller knob, found near the course adjustment knob, and is used to focus the image under low and high power?

• Aperture

• Fine Adjustment Knob

• Diaphragm

• Course Adjustment Know

Which of these do you NOT need to do before looking at a slide under a microscope?

• Turn on the microscope

• Make sure it's set to the lowest power lenses

• Set the stage to it's lowest position

• Make sure it's set to the highest power lenses

Match the following microscopes to what would be viewed with them

• The cell membrane of dead bacteria

• Compound light microscope

• The activities of living amoebas

• Transmission electron microscope

• The internal structures of dead protists

• Scanning electron microscope

What is the purpose of part 11?

• adjusts the amount of light

• makes adjustments to the focus

• changes the magnification

• holds the slide in place

Moves stage up and down for focusing; locates the specimen

• Fine Focus Knob

• Large Focus Knob

• Course Focus Knob

• Small Focus Knob

Holds objective lenses; Rotatates to change objectives

• Arm

• Base

• Revolving Nosepiece

• Diaphragm

The part of the microscope which moves the stage up and down and is primarily used for the low power objective lens is called the  _​ (a)   ​ . The part of the microscope that is used for focusing on all objective lenses is called the ​ (b)   _.

• fine adjustment knob

• coarse adjustment knob

• stage clips

• diaphragm

• revolving nosepiece

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.