Try growing a sweet potato just in water. Describe your experiment andobservations.

Experiment: Fill the glass or jar with water and place the tip of the sweet potato plant in the water. Poke in four toothpicks evenly spaced around the middle of the sweet potato plant to prevent it from falling into the water. Place the glass in dimly lit area.
Observations
The sweet potato plant will begin to sprout roots in a week. Leaves will appear shortly after that. 

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