Krista is conducting an investigation to determine how much water is best for her sunflower plants. She uses five plants and gives each a different amount of water for six

weeks. Each week, she measures the height of each plant. She records her findings in the

chart below.

THE EFFECT OF WATER ON SUNFLOWER PLANTS

Week 1 Week 2 Week 3 Week 4 Week 5

Week 6

Amount of

water per

week

50 ml

100 ml

150 ml

200 ml

What information should be recorded below the weeks? (Hint: The dependent variable

should be recorded in the data chart.)

O the time it took each plant to reach a certain height

O the amount of water each plant received

o the amount of sun each plant received

O the height of each plant every week