#13 Cohesion/Adhesion - Get Materials
Key: (1st/2nd/3rd) denote needed quantities: (1st) enough for 1 student doing all activities; (2nd) enough for 30 students working in self-paced pairs; (3rd) enough for 30 students working in pairs on the same lesson. Starred* items may be purchased below.
* 4/40/40: dropper bottles with droppers* 1/3/3: rolls masking tape
* 1/1/1: bottle blue food coloring
1/1/1: bottle 70% rubbing alcohol
1/1/1: source tap water
1/1/1: bottle Joy, Dawn or other high-suds liquid detergent
1/1/1: bottle corn oil
1/1/1: roll waxed paper
* 1/10/10: graduated cylinders, 10mL capacity
1/10/10: hand calculators
1/10/10: pennies
1/1/1: roll soft paper towels
1/10/10: scissors
1/5/10: large jars or equivalent supports
1/1/1: wall clock with second hand (or wristwatches)
* 1/10/10: generic paper plates, 9 inch diameter
1/4/10: drinking glasses
1/4/10: shallow bowls
1/1/1: shaker of fine pepper
* 5/50/50: aluminum straight pins (NOT steel)
1/1/1: bar of soap
* 1/1/1: package solid camphor
2/20/20: medium styrofoam cups
1/10/10: toothpicks
* 1/30/30: plastic drinking straws
*1/10/10: pieces string, 10 inches long
* 4/20/40: microscope slides
1/4/10: candles
* 1/4/10: paper clips
* 5/30/50: medium or large baby food jars
* 4/20/40: thin rubber bands
* 1/4/10: eyedroppers
* 1/4/10: hand lenses
1/10/10: sheets newspaper
1/3/10: sets of 8 washable colored markers
* 1/3/10: rolls clear tape
1/1/1: shaker of table salt
1/10/10: plastic tubs with lids
1/1/1: plastic gallon milk jug
* 1/1/1: bottle glycerine
1/1/1: gallon distilled or deionized water (optional)
* 1/1/1: spool thread
2/6/20: size-D batteries, dead or alive
1/10/10: pieces corrugated cardboard, 2x8 inches or larger
1/3/10: index cards, 4x6 inch
* 1/1/1: roll aluminum foil
*1/2/10: medium test tubes (optional)
1/2/10: meter sticks
1/1/1: bottle vinegar (optional)
