Not all colors are created equal. Investigate how color can inï¬uence absorbing and radiating energy. How to use: Exploring radiation and absorption. 1. Place black and silver containers near each other with thermometers inserted in each. 2. Angle a lamp so the light points directly at the sides of both containers. 3. Read off temperatures of each, with the light on, then off. Observe and record 10 minutes. The cans are ï¬nished with black, white, and silver exteriors, so students can easily determine the effect of surface color on heat transfer. Set of three 500mL cans with stoppers to accommodate thermometer. Supplied without thermometer.