Question

question 1-7
colleen waters the plants in her greenhouse once every day. she wants to find out if the plants will grow more leaves if they are watered more often. she counts the number of leaves on each plant. she then continues to water half of the plants once daily, but she waters the other half twice a day. what is the outcome variable (dependent variable) in colleen’s experiment?
options:

• the type of plant being grown
• the number of leaves the plants grow
• the amount of light the plants receive
• the number of times the plants are watered

Explanation:

The dependent variable is the outcome measured in an experiment. Colleen is testing if watering frequency affects leaf growth, so the measured outcome is the number of leaves.

Answer:

B. The number of leaves the plants grow