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  • A simple in-class experiment, done over the course of a week, using eggs as a hands-on example of how acids and bases interact, as well as the dynamics of permeable and semi-permeable membranes.
  • Create a nine-square puzzle, fun to give as a gift or use for in-class free time.
  • "The settlers at Jamestown were told to find a place that was not already occupied, that would be easy to reach by ship, and that would be difficult to attack." How important are geography and climate to survival? This worksheet can be used as a writing assignment or an in-class discussion prompt.