1. Juice and the Bean Stalk
By TEAM St. Mark’s

2. Introduction Will adding OJ to soil of bean stock increase growth?
Independent– amount of juice
Dependent—height of stem

3. Materials 1 liter orange juice (minute maid) 1 liter potting soil
8 styrofoam cups
Water
8 germinated pinto beans

4. Procedure
Plant 8 pinto beans

5. Procedure different amounts of OJ in each pot 0 ml 20 ml 40 ml 60 ml

6. Procedure Water with 20 ml every day Let grow in a window for 2 weeks
Measure height

7. Diagram

8. Data Table Volume of Juice (ml) Height (cm) 3.9 20 4.1 40 5.6 60 5.8
3.9 20
4.1 40
5.6 60
5.8 80
6.2
100
7.1
120
6.5
140
4.0

9. Graph

10. Conclusions Hypothesis supported. More orange juice=more height
Directly proportional
Orange juice is an okay fertilizer

11. Sources of error Plant tipped over
Difficult to define “height” of plant
Orange juice went bad

12. Sources
Hofstadter, Gabriel. “Fertilizers.” November 29,
Questions?