Question

environmental factors quick check
use the scenario to answer the question.

a student is studying the effect of fertilizer on fruit growth. he uses 6 tomato plants, placing each in a garden where they get equal amounts of sun and water. one plant is given no fertilizer, while the other 5 plants are given 5, 10, 15, 20, and 25 grams of dissolved fertilizer each day for 3 weeks. at the end of the experiment the tomato fruits are weighed.

what is the dependent variable in this experiment?

(1 point)

○ sun exposure

○ amount of water

○ amount of fertilizer

○ fruit weight

Explanation:

In an experiment, the dependent variable is the outcome measured to see the effect of the independent variable. Here, the student changes the amount of fertilizer (independent variable) and measures the resulting fruit weight to observe the impact. Sun exposure and water are controlled variables kept equal for all plants.

Answer:

fruit weight