Read the scenario described below and answer the following questions.

A group of students decide to test their hypothesis that leaf color change is related to temperature and that low temperatures result in changes in leaf color. They buy plants of the same species, which are all approximately the same age and height. The students divide the plants into two groups, one group of plants is kept at 10 degrees C and the other at 30 degrees C for 2 weeks. All of the plants are planted in greenhouses and given 20 mL of water once a day for 2 weeks. After the two weeks the students record their observations describing the leaf colors of the plants.

1.Generate a hypothesis.

2. What is the independent variable?

3. What is the dependent variable?

4. What factors have been controlled for?

5. Are there other factors that should be controlled for?

6. What is the control group?

7. What is the experimental group?

8. What would be an appropriate statistical method to use?

9. Would you design this experiment differently? How? (Hint: how many plants will you use? How many replicates? How many times will you measure or observations will you collect?)