Determining the Effectiveness of Handwashing
High schoolers participate in an experiment in which they grow bacterial colonies. They examine the effects of antibiotics killing the germs. They discuss their findings to end the lesson.
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What's Growing at the Tips of Your Fingers (In Addition to Your Fingernails?)
Students review procedures for handwashing and explore the connection between microbiology and improved health care. They examine bacterial culture grown from bacteria under their fingernails and write a procedure for handwashing in a...
11th - 12th Science
A Model for Natural Selection- Spaghetti Worms
Does the early bird really get the worm? If so, which color of worm does it prefer? In an exciting and easy week-long field investigation, young field biologists set up a one square meter feeding area for birds. If you have a webcam,...
6th - 12th Science