Soil or Sand Biology Emily Wood. Science Fair Project. Do plants grow faster in soil or sand?. Statement of the Problem . I wrote a research paper. Then after typing up the procedure I gathered the materials, I started my project. I monitored the plants for ten days, then collected the data.
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Emily WoodScience Fair Project
I wrote a research paper. Then after typing up the procedure I gathered the materials, I started my project. I monitored the plants for ten days, then collected the data.Project Overview
Independent Variable: The independent variable is what is changed in the experiment.
Dependant Variable: What happens as a result of the independent variable.
The plant will grow faster in soil because sand doesn’t retain water.Hypothesis
1 bag of potting soil retain water.
1 bag of sand
Metric measuring cups
6 styrofoam cups
One metric ruler
Some pieces of paper
Step 1: Gather materials. retain water.
Step 2: Label the Styrofoam cups “A1” “A2” “A3” “B1” “B2” and “B3”.
Step 3: Put 110 grams of potting soil into the “A” styrofoam cups.
Step 4: Put 110 grams of sand into the “B” styrofoam cups.
Step 5: Put the styrofoam cups on a table outside, for sunlight access.
Step 6: Put four seeds in each of the cups.
Step 7: Each day come back to water the plants with 2 ounces of water in each cup.
Step 8: Each day come back to record how many leaves are on each plant.
Step 9: After the three weeks are up, analyze and graph the data.
Step 10: Communicate Results.Procedure
In cup B2 retain water.Photos
In conclusion, I’ve learned that if you use to much water in the soil it will drown the seeds. I have also learned that if the sand is compact and held together with water, the seeds will sprout.Conclusion
I would start earlier and let the plants grow longer. I would also only use 1 oz of water to water the plants.Applications and Recommendations
"Do Plants Grow Best in Ground Soil or Potting Soil? | Garden Guides." Garden Guides, Your Guide to Everything Gardening. Web. 24 Jan. 2011. http://www.gardenguides.com/127982-plants-grow-ground-soil-potting-soil.html
Hershey, David. "Re: Do Plants Grow Better in Soil or Sand? Why?" MadSciNet: The 24-hour Exploding Laboratory. Web. 24 Jan. 2011. http://www.madsci.org/posts/archives/2000-09/969410800.Bt.r.html
"How Plants Grow." Think Quest. Web. 24 Jan. 2011. http://library.thinkquest.org/3715/root2.html
Personal interview. 25 Jan. 2011.
"Plants Suited To Sandy Soils." Discover Loch Sport, a Gateway to the Gippsland Lakes and Ninety Mile Beach. Web. 24 Jan. 2011. http://www.lochsport.com/environment/plants.html
Royston, Angela. "Many Kinds of Plants." How Plants Grow. Chicago, IL: Heinemann Library, 1999. 4. Print.
"Soils and Fertilizers." Web. 25 Jan. 2011. http://cals.arizona.edu/pubs/garden/mg/soils/index.htmlWorks Cited