Powers Microscope Notes

Multiple Choice

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

• coarse focus

• diaphragm
• objective lens
• revolving nosepiece

Multiple Choice

A thin flat piece of glass used to hold objects for examination is called a ___

• sheet

• slide

• cover slip

• objective

Multiple Choice

What is circled here?

• Magnification

• Scanner

• Coarse Adjustment knob

• Fine adjustment knob

Multiple Choice

When do we use the coarse adjustment knob

• Medium and high power

• Low power only

• High power only

• Medium power only

Multiple Choice

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.

Multiple Choice

The table compares four types of microscopes and their functional abilities. Which of the following represents and Scanning Electron Microscope?

• Microscope A

• Microscope B

• Microscope C

• Microscope D

Multiple Choice

Which microscope took a 3D image of this fly's head?

• Compound Light

• Transmission Electron

• Dissecting

• Scanning Electron

Multiple Choice

Lets light pass through an object and then through two or more lenses

• Binocular Microscope
• Compound Microscope
• Electron Microscope
• Simple Microscope

Multiple Choice

What is the function of a Transmission electron microscope?

• To see through specimens

• To magnify objects

• To illuminate samples

• To capture images in color

Multiple Choice

Jon viewed the surface of red blood cells while researching a new medication. What type of microscope did he use?

• Light Microscope

• Dissecting Microscope

• Scanning Electron Microscope

• Transmission Electron Microscope

Multiple Choice

This image shows the detailed structure of the tiny mitochondria organelle.  Which microscope most likely took this image?

• Compound Light

• Scanning Electron

• Dissecting

• Transmission Electron

Multiple Choice

What are the advantages and disadvantages of using electron microscopes?

• Can see small specimens with lots of details

• Specimen is dead

• Image has no color

• All of the above

Multiple Choice

A student views cheek cells under low power. Before switching to high power, the student should:

• adjust the ocular lens
• center the image being viewed
• adjust the course adjustment to move the stage away from the slide
• remove the slide from the stage

Multiple Choice

Electron microscopes differ from light microscopes in that they produce an image of a specimen by using a beam of electrons rather than

• a beam of light.

• a beam of compounds

• a beam of cells

• a beam of specimens

Multiple Choice

This bring the specimen into sharp focus

• Coarse Adjustment Knob
• Fine Adjustment Knob
• Eyepiece
• Diaphragm

Multiple Choice

What power do you start with when using a microscope?

• High power
• Medium power
• Low power
• Extra high power

Multiple Choice

Scientists must make informed choices about which tools to use for various tasks, including which kind of microscope is best suited to a particular investigation. Which of the following is NOT important to know in determining which kind of microscope should be used to view a particular specimen?

• The type of material the specimen is made of

• The age of the particular specimen

• The size of the specimen being observed

• The magnification required to view the specimen clearly

Dropdown

What is the name of the microscope part labeled as A? *Spelling counts & use all lowercase letters*

Select answer

Labelling

Where do these labels go?

Drag labels to their correct position on the image

base

high power lens

nose piece

Labelling

Label these:

Drag labels to their correct position on the image

Stage

Eye piece

diaphragm

Fill in the Blanks

Multiple Choice

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

Multiple Select

What are the different degrees of magnification in a light microscope? Check all that apply

• Low power objective - 10x

• High power objective - 40x

• Oil immersion - 100x

• SEM

Multiple Choice

Which objective is circled here

• High

• Medium

• Low/Scanning

Fill in the Blanks

Multiple Choice

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

• 10x
• 55x
• 65x
• 550x

Multiple Choice

If the ocular lens has a magnification of 10x and the high power objective has a power of 40x, what is the total magnification of a microscope on high power?

• 50x

• 10x

• 40x

• 400x

Fill in the Blanks

Labelling

What is the name of the microscope part labeled as L? *Spelling counts & use all lowercase letters*

Drag labels to their correct position on the image

Stage Clips

Course Adj.

Multiple Choice

What part is 5?

• coarse adjustment
• fine adjustment
• diaphragm
• stage

Multiple Choice

Hold the slide in place on the stage

• Stage
• Stage Clips
• Aperature
• Light Source

Multiple Choice

Which of the following do you never use when on high power?

• fine adjustment knob

• diaphragm

• coarse adjustment knob

• stage clips

Multiple Choice

A student begins viewing a human cheek cell slide under a microscope and the image is very dim. What piece of the microscope, located under the stage, would the student adjust to alter the brightness?

• diaphragm

• ocular lens

• substage

• fine adjustment knob