1. Materials
 Stove
 Cooking pot
 Measuring cup
 Tap water, normal temperature and cold
 JELL-O packages (2). Use two very different colors of
JELL-O, both light-colored (like cherry and lime).
 Stirrer
 Plastic cups, clear (7)
 Permanent marker
 Refrigerator
 Timer or clock
 Marbles (6)
 Oven mitt
 Scissors or one-hole puncher
 String (at least 30 cm long)
 Electrical tape or duct tape
 Optional: Flashlight
 Adult helper
 Lab notebook