Place pans at an equal distance under a lamp with a 150-watt light bulb. Turn the light on and wait for five minutes. Test the temperature in both pans and record your findings. A radiometer is an instrument that measures radiant energy. See if your school has one you can use to study light.
Color can change the amount of light and heat that are absorbed.
Find out which colors are the most receptive. Paint a few tin cans different colors. Make sure you use matt paints or ones that aren't too shiny. Fill each can with equal amounts of water. Using a thermometer, record the temperature in each can.