Ester became interested in insulation while her parents’s new house was being built. She decided to determine which insulation transferred the least heat. She filled each of 5 jars half-full with water. She sealed each jar with a plastic lid. Then she wrapped each jar with a different kind of insulation She put the jars outside in the direct sunlight. Later, she measured the temperature of the water in each jar.

Identify the: Independent Variable Dependent Variable Constants (at least 2