Effects of Sunlight on Growth
A science class is given the task of determining the effects that different amounts of sunlight have on the growth of potted bean plants. Each group is given four potted plants and the instructions for the investigation. Each of the four potted plants will be given different amounts of sunlight every day. Each group will measure the growth of the plants every day for three weeks and record the amount of time the plant was in the sun.
What is the dependent variable in this experiment?
a.type of soil used
b.amount of water used
c.length of sunlight exposure
d.growth of the bean plants