Microscopic Life

Nature

Level: 2

Requirements

  • List four major types of microscopes. What are some of the characteristics of each? Be able to identify the different types of microscopes from pictures, or visit a laboratory in a university or industry which has these microscopes.
  • Be able to identify the following parts of a microscope and explain or demonstrate the function of each: eye-piece or ocular, objective, body tube, nosepiece, stage, diaphragm, base, focus knob, and arm.
  • Know how to calculate the magnification of a compound microscope. Calculate the magnification of the microscope you use for this honor.
  • Define the following microscopic terms: slide, coverslip, wetmount, fixing, staining, oil immersion, unicellular, multicellular, cilia, flagella, plankton.
  • Collect samples of water (from ponds, streams, ditches, gutters, puddles, etc.) And search for living organisms using a microscope with at least 100X magnification. Draw five of these organisms as accurately as possible. As far as possible, identify and label your diagrams (include the magnification used.)
  • Draw and label a cell which includes the following parts: cell membrane, nucleus, and cytoplasm.
  • Give at least one example of how microscopic life is important for: human food, human health, medicine, other organisms.
  • Give at least three health habits that have been established as a direct result of harmful microscopic life. Put these habits into practice.


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