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Does a Sunflower Plant Grow Taller in Dirt, Sand, or Water?
by   Becky E. and Kaitlyn M.
* Hypothesis * Purpose * Materials * Procedure * Results * Conclusion * Bibliography & Links * 
 
Hypothesis 
 We think that the sunflower seeds will grow taller in dirt.
 
Purpose 
Our purpose is to see if sunflower seeds grow taller in dirt, sand, or water.
Materials   

  • Glass Cups 
  • Sunflower seeds 
  • Dirt 
  • Sand 
  • Water
Procedure   
We planted the plants on February 7, 1998 and watered them every day for four weeks at 3:00.  When we watered them we turned the plants so each side got the same amount of sunlight.
 
 
Results   
 Only one grew and that is the water one.  The dirt and the sand failed to grow. Our hypothesis was incorrect.  The water plant grew 1/2 and inch every week.
Conclusion 
We think this happened because the dirt one didn't get enough water, and the sand one didnít get enough sunlight.
Bibliography & Links   
David E. Zimer. "Sunflower." World Book Encyclopedia
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By Becky E. and Kaitlyn M.
Timber Ridge Magnet School