Thursday, December 29, 2011

What is the independent variable and what is the dependent variable?

1 cup of sand (S), potting soil (P), and a mixture of sand and soil (M) in separate containers. In each of the containers is a thermometer that's placed 2.5 cm below the surface. The three mixtures are placed under three different heat lamps for an hour. The original temperature of each container was 15C.

From that experiment, would the heat of the lamps be the dependent variable, whereas the contents are the independent variable?|||contents=independent

heat lamp= dependent

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