Amoeba Sisters Microscopes

What term refers to the ability to distinguish between two objects in a microscope?

• Resolution

• Contrast

• Magnification

• Illumination

Which type of microscope uses electron beams to visualize images?

• Transmission Electron Microscope (TEM)

• Phase-contrast microscope

• Brightfield light microscope

• Scanning Electron Microscope (SEM)

What is the function of the coarse focus knob on a microscope?

• Move the stage up or down dramatically

• Adjust the light level

• Center the image

• Fine-tune focus

What is the total magnification when using a high power objective lens and an eyepiece lens that magnifies 10 times?

• 10 times

• 40 times

• 400 times

• 100 times

What should be used to clean the lens of a microscope?

• Regular tissue

• Microfiber cloth

• Lens paper

• Wet wipes

What should be done before putting away the microscope?

• All of the above

• Remove the slide and turn off the light

• Lower the stage to its lowest position and return the lowest power objective lens over the stage

• Unplug it and wrap up the power cord

What can be visualized using a microscope to complement the study of mitosis?

• Stomata from a thin sample underneath a leaf

• Bacteria in a water sample

• Aquatic plant cells responding to different salt concentrations

• Cross section of an onion root tip

Tags

NGSS.HS-LS1-4

What is the purpose of using immersion oil at high magnification in a microscope?

• To increase resolution

• To adjust the light level

• To clean the lens

• To visualize viruses

What is the function of the stage knobs on a microscope?

• Fine-tune focus

• Center the image

• Move the stage up and down

• Adjust the light level

What is the main function of the condenser lens in a light microscope?

• To magnify the image

• To adjust the light level

• To focus the light on the specimen

• To center the image