Posted in 3/4 SBI3U Biology

SBI3U Homework

According to our measurements and specs from the manufacturer, the diameter of the field of view at 40X magnification is 4.5 mm or 4500 um.  If this is the case, find the diameter of the field of view at:

a) 100X (yellow)     b) 400X (blue)    c) 1000X (black & white)

Show your calculations, including units.

Posted in 3/4 SBI3U Biology

SBI3U Warm Up

  • How many microns (micrometres) are in a millimetre?
  • What are the dimension of your phone screen in microns?  Show your calculations including units.
  • What are three things you are grateful for?  (Be specific)
  • Jot down a good memory
Posted in 2 SBI3C Biology

SBI3C Warm Up

  • What are the three points of the cell theory?
  • Are humans multicellular or unicellular?  Explain.
  • When you are using a microscope, which objective lens do you start with?
    a) 40X (red)   b) 100X (yellow)   c) 400X (blue)    d) 1000X (black & white)
  • When you are using a microscope, which objective lens do you not turn to without a drop of oil on the slide?
    a) 40X (red)   b) 100X (yellow)   c) 400X (blue)    d) 1000X (black & white)
  • When you are using a microscope, which objective lens are you allowed to use the coarse adjustment knob (large one) with?
    a) 40X (red)   b) 100X (yellow)   c) 400X (blue)    d) 1000X (black & white)