Comprehensive Materials List for 7 Lab Groups LABORATORY EQUIPMENT: beakers • 50 mL • 100 mL, 4 • 150 mL • 200 mL, 2 • 250 mL • 500 mL, 2 graduated cylinders • 100 mL • 50 mL stirring rods, 2 penny paper clip plastic fork petri dish black marker, water - based stopwatch or timer 2.5 mL (1/2 tsp) measuring spoon test tube brush several small
bowls or cups hot plate and beaker to
warm water, if you don't have access to
warm tap water Optional: balance CONSUMABLES: plastic pipettes, 7 vegetable oil, approx. 200 mL salt, approx. 45 mL (3 Tbsp) powdered laundry detergent, approx. 20 mL (4 tsp) corn syrup, 70 - 80 mL isopropyl alcohol, 70 - 80 mL paper towel, cut into 7 strips, 1.5 cm
wide paper plates, 7 milk (whole works best), 400 mL food coloring (green, red, blue, yellow) cotton swabs, 14 dishwashing liquid, approx. 15 mL (1 Tbsp) + additional for cleaning ice cubes, about 2 dozen water,
warm and room temperature Optional: transparent tape, small plate Aloha and Welcome to the Island!
This
warming was very
wide spread from the 1920's to the 1940's and included the «dust
bowl» years in America, retreat of glaciers and the
warming of the arctic to levels that approached, but probably did not reach, modern levels, as was noted in this previous Climate Etc. article.