Introduce students to the fundamentals of mixtures and solutions and more -- This kit includes four activities designed to introduce Biology students to the fundamentals of mixtures and solutions. Students learn to distinquish between soltuions, suspensions, and colloids, saturated and supersaturated solutions. They experimentally derive the heating curve of water and explore the effects of buffers on acidic and alkaline solutions. Developed by Ryan Argot. Grades 7-11. -- Includes: sugar, salt, gelatin, HC1, KOH, chalk, stirring sticks, sand, baking soda, Alka-Seltzer, pH paper, containers, graph paper, instructions. |