Download Variables worksheet

Name: _______________
Scenario 1
Two rose bushes are grown in a greenhouse for two months. Another rose bush is
grown outside in the garden. The number of flowers on each bush is counted at
the end of the experiment.
Hypothesis:
Independent variable
Dependent Variable
Control Group
Experimental Group
Constants
Scenario 2
You water three sunflower plants with salt water. Each plant receives a different
concentration of salt solutions. A fourth sunflower plant receives pure water.
After a two week period, the height is measured.
Identify the IV, DV, CG, and Constants.
Scenario 3
One tank of goldfish is fed the normal amount of food once a day. The second
tank is fed twice a day and the third tank is fed four times a day during a six week
study. The fish’s weight is recorded daily.
Identify the IV, DV, CG, and Constants.
Scenario 4
SpongeBob loves to garden and wants to grow lots of pink flowers for his pal,
Sandy. He bought a special Flower Power fertilizer to see if it will help the plants
produce more flowers. He plants two plants of the same size in separate
containers with the same amount of potting soil. He places both plants in a sunny
window and waters them every day: one with fertilized water and one without
fertilizer. He counts the flowers of each plant each day for two months.
Identify the IV, DV, CV, and Constants.