Match the term to its example using the following example of an experiment. I want to see what types of fertilizer work better on my house plants. I take my five plants, all the same species of plant, and I put them in front of the same window. I give them the same amount of water. Then I add the different types of fertilizer according to the list below. I measure the height of the plants every day for 4 weeks.

Plant 1: 10 grams of fertilizer brand A

Plant 2: 10 grams of fertilizer brand B

Plant 3: 10 grams of fertilizer brand C

Plant 4: 10 grams of fertilizer brand D

Plant 5: no fertilizer

Match the terms to their proper example.

plants

Question 3 options:

type of fertilizer

height of the plants

location, amount of water, species of plant

1.
dependent variable

2.
independent variable

3.
controlled variable