Fair testing
Estuaries play an important role in a healthy environment. They are the connection between land and sea; they are teeming with life - the nursery of the sea. Rivers carry nutrients out to the estuaries and into the sea, but what happens if too many nutrients are getting into water systems and estuaries? Our class is doing a science project to see if the effects of too much nutrients in our estuaries caused by a farm run-off.
Fair testing is when all conditions except one (the experiment one) are kept the same. You could have included more detail in how it was planned for such as how often and how much liquid will be fed to both plants.
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