Question

read the scenario. what is the independent variable? scenario: the johnson family has decided to try to save electricity (and money at the same time). they were told that they could replace their regular light bulbs with special fluorescent bulbs that use less energy. they wonder if it is really worth doing in order to save electricity usage.

Explanation:

In an experiment, the independent variable is the factor that is manipulated or changed. Here, the Johnson family is considering changing the type of light bulbs (from regular to special fluorescent bulbs). So the independent variable is the type of light bulb (regular vs. special fluorescent).

Answer:

The independent variable is the type of light bulb (regular light bulbs vs. special fluorescent bulbs).