Water+Temperature

This is Evan's document

**__ Plant Investigation __** __ The Problem: which temperature of water will ensure best growth of a plant. __ __ Procedure: __ 1. Fill 4 pots with the same amount of soil. 2. Plant seeds in pots and feed 1/2 cup of the different types of water to the 4 tomato plants 3. __ Water plants 1/2 cup of water every second day, and record growth patterns every day. __ __ Hypothesis: we think that the plant with the room temperature water will grow best because usually people use room temperature water for household plants and it works well. __ __ Materials: ice, water, a water kettle, a measuring cup, just sprouted plants-4 __ __ Variables: __ a. Manipulated: temperature of water given to the plants. b. Responding: __what plant grows best (height)__ c. Controlled: __the amount of water given to plants, the space the plants have to grow, the amount of sunlight the plants get, the amount of soil the plants get, the amount of nutrients the plants get.__ __ Observations/Logbook: __ __ Day 1: Date: ______________ __ __ Day 3: Date: Thursday October 1, 2009 __ __ Hot water plant __ || __ Cold water plant __ || __ Micro waved water plant __ || __ Room temperature water plant __ || __ Controlled plant (room temp) __ || __ 4.5 cm tall __ || __ 5.5cm tall __ || __ 5.5cm tall __ || __ 6cm tall __ || __ 0cm tall __ || __ 0.5mm wide __ || __ 0.5 mm wide __ || __ 0.5mm wide __ || __ 0.5mm wide __ || __ 0cm 0mm tall __ || ||   ||    ||    ||    || __ Day 5: Date: October 7, 2009 __ __ Hot water plant __ || __ Cold water plant __ || __ Microwaved water plant __ || __ Room temperature water plant __ || __ Controlled plant (room temp) __ || __ 5.6cm tall __ || __ 0cm tall __ || __ Fallen over, dead. __ || __ 7.5cm tall __ || __ Not sprouted __ || __ 0.5mm wide __ || __ 0mm wide __ || __ 0mm wide __ || __ 0.5mm wide __ || __ Not sprouted __ || __ Day 7: Date: ______________ __ __ Day 9: Date: ______________ __ __ Day 11: Date: ______________ __ __ Day 13: Date: ______________ __ __ Day 15: Date: ______________ __ __ (add additional days as necessary) __ __ Conclusion: __