Teaching Tank - Book 2
50 lessons. Detailed instructions, augmented by thinking questions and notes for the instructor. Lessons include: color, gravity, oxygen, osmosis, saturation, refraction, and more. Experiments using oil, milk, dough, ice, egg, salt, raisins, soda, coffee grounds, yeast and sugar. Loaded with ideas for science fair. 108 pages, spiralbound, 8½"x11".