Suzie Q wants to know the effect of different colors of light on the growth of plants. She believes that plants can survive best in white light. She buys
5 ferns of the same species, which are all approximately the same age and
height. She places one in white light, one in blue light, one in green light,
one in red light and one in the closet. All of the ferns are planted in
Miracle-Grow and given 20 mL of water once a day for 2 weeks. After the
two weeks, Suzie observes the plants and makes measurements. Answer
.
the following questions about her experiment. 1. What is the independent
variable? (2pts) 2. What is the dependent variable? (2pts) 3. What is the
control group? (2pts) 4. How might Suzie improve this experiment? (2pts)