*10 points!* A scientist wants to know if fertilizer helps plants grow faster. She adds fertilizer to 50 plants regular soil. She keeps 50 plants in the same regular soil. She predicts that those receiving fertilizer will grow faster. They are plant in the type of container, temperature, and water amount. She carries the experiment for 10 months. Using the above information identify the following:
1. Hypothesis
2. Control group
3. Experimental group
4. Independent Variable
5. Dependent Variable
6. Constants
7. What can be done to improve the validity of the experiment