Key: (1st/2nd/3rd) denote needed quantities: (1st) enough for 1 student doing all activities; (2nd) enough for 30 students working in 10 lab groups all self-paced; (3rd) enough for 30 students working in 10 lab groups, all doing the same lesson. Starred* items may be purchased here.
1/1/1: roll soft paper towels 1/10/10: scissors * 5/50/50: laboratory filters. Some densely-woven lavatory paper towels on rolls may also work. Test in advance. * 1/1/1: packages: corn starch, granulated sugar, alum, fine-grained table salt, baking soda, copper sulfate, rock salt, Epsom salt. Include a dispensing spoon with each package. * 3/30/30: baby food jars or equivalent, most with lids (or small beakers) 1/1/1: water source. Use distilled water if source is hard. * 1/6/10: dropper bottles each: iodine, rubbing alcohol. 1/3/6: dropper bottles each: chlorine bleach, mineral oil, liquid detergent, India ink, vinegar, distilled water. 1/1/1: hot plate with teapot (or Bunsen burner, or alcohol lamps, and matches) * 2/10/20: eyedroppers 1/1/2: packets of non-dairy creamer 1/1/1: shaker of pepper * 3/30/30: test tubes, 12 mL or more * 1/5/10: magnifying glasses 1/10/10: small paper drinking cups 1/4/10: metric rulers (optional) * 1/1/1: roll aluminum foil 1/1/1: package rice 1/1/1: envelope powdered milk 1/1/1: package flour, bleached or unbleached * 1/5/10: rolls clear tape * 1/10/10: graduated cylinders, 10 mL capacity 1/1/1: box seltzer tablets, Alka-Seltzer or equivalent *1/1/1: box sugar cubes * 1/6/10: microscope slides 1/1/1: box facial tissues (roll toilet paper) 1/4/10: microscopes (optional) * 1/1/1: package rubber bands 1/1/1: can scouring cleanser (optional) 1/10/10: index cards 1/2/4: paper punch tools * 1/1/1: box plastic straws 1/1/1: wall clock with second hand (or wristwatches) * 1/6/10: gram balances (instruments constructed in #05 Weighing are suitable) 1/10/10: calculators * 1/5/10: small Pyrex beakers * 1/1/1: clothespins 1/1/1: permanent markers 1/1/1: bottle calcium acetate 1/1/1: bottle sodium thiosulfate