8A80.92 - Pond Scum

Code Number:
Demo Title:
Pond Scum
Area of Study:
Primitive Life
Video Microscope, Pond Scum ( dirt in water ), Microscope Slides and Slip Covers.

Place some dirt in water at least 24 hours in advance of the demonstration.  When ready for the demo, take about two drops of the water and place it on the microscope slide.  Observe the multitude and variety of the microscopic creatures.

  • Wayne O. Williams, "Glass Tubing Microscope", TPT, Vol. 17, #3, Mar. 1979, p. 204, also A Potpourri of Physics Teaching Ideas - Tricks of the Trade, p. 350.
  • 50 Fun Experiments for the Mad Scientist in You, "Grow Your Own Biofilm", National Geographic Kids, p.  40.
  • Bathroom Readers' Institute, "A Visit to Microbia", Uncle John's Bathroom Reader for Kids - Did You Know?, p 86.

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