Curated OER
Unsaturated, Saturated and Supersaturated
Students investigate unsaturated, saturated and supersaturated solutions. In this solutions lesson plan, students experiment with sodium acetate and produce three different types of solutions including a saturated solution of sodium...
Science Buddies
Science Buddies: Project Ideas: Explore the Chemistry Within Hand Warmers
Determine how the starting temperature affects crystal growth and heat generation of a hand warmer in this chemistry science fair project. The Science Buddies project ideas are set up consistently beginning with an abstract, objective,...
University of Minnesota
University of Minnesota Outreach: Endothermic and Exothermic Reactions
A nice juxtaposition of endo- and exothermic reactions. Outlines two demonstrations. Barium hydroxide, sodium acetate, ammonium nitrate, ammonia.