Background-Water is a universal solvent. Natural water contains minerals necessary for all plants, animals, and people. The content of minerals decides the water quality and hardness. The degree of Hardness is measured in PPM calcium.(www.ci.long) Soft water contains less than160 PPM, slightly hard water contains 160-320 PPM and very hard water is above 460-PPM. The advantages to hard water- healthy to drink and has firming effects on fruits and vegetables. Disadvantages- corrosive to pipes.(www. Nielson)

Tomatoes-belong to the family solanceae. It is classified as Lycopersicon esculentum. (Donald, Easy Gardening) Take at least 45 days once planted till harvest. Native to the Andean regions of South America. It was once thought to be poisonous, tomatoes have become one of the most widely grown and commercially important vegetable crops. They are cultivated annually in most regions of the world and are a valuable source of vitamins, particularly vitamins A and C.(Baker, Vegetables)

Hypothis- I feel the hard water would have had taller plants.

1) Buy the materials- one bag of scotts potting soil, tomato seeds, bottled water, and three identical plastic pots

3)Mark each pot with the tape and marker as to which is soft, hard, and Poland Springs water.

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