How Tall Can How Tall Can You Grow?You Grow?

Henry WeinerHenry Weiner

ProblemProblem

How often should you water so that you How often should you water so that you can grow bean plants from seed? can grow bean plants from seed?

HypothesisHypothesis

I predict that watering every six days will I predict that watering every six days will work best to produce a healthy bean work best to produce a healthy bean plant from seed.plant from seed.

MaterialsMaterials

Green bean seedsGreen bean seeds Liquid measuring cup with 1/8 cup markingsLiquid measuring cup with 1/8 cup markings Pots to plant seeds inPots to plant seeds in Drill to drill holes in bottom of potDrill to drill holes in bottom of pot Catch panCatch pan Ruler with metric systemRuler with metric system Water out of the tapWater out of the tap SunlightSunlight Potting soilPotting soil

ProcedureProcedure

Gather all materials.Gather all materials. Use drill to drill three holes 3/8 inch in diameter.Use drill to drill three holes 3/8 inch in diameter. Plant 3 seeds in each cup in soil about 1 inch under Plant 3 seeds in each cup in soil about 1 inch under

the surface.the surface. Put cups in catch pan to catch runoff.Put cups in catch pan to catch runoff. Water all of the plants with their respective times of Water all of the plants with their respective times of

watering watering Water with the watering scheduleWater with the watering schedule Measure every day with centimeters.Measure every day with centimeters. Record on spreadsheet.Record on spreadsheet. Continue for 2 weeks.Continue for 2 weeks. At end of experiment, make graphs.At end of experiment, make graphs.

ResultsResults

Plant 2

0

5

10

15

1 2 3 4 5 6 7 8 9 10 11 12 13 14

Days

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Plant 1

0

5

10

15

20

25

1 2 3 4 5 6 7 8 9 10 11 12 13 14

Days

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t (c

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More ResultsMore Results

Plant 6

0

5

10

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20

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1 2 3 4 5 6 7 8 9 10 11 12 13 14

Days

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Plants 4 and 5 didn’t grow. Plant 1 was watered everyday; Plant 2 every 2 days, and so on.

Plant 3

0

5

10

15

20

1 2 3 4 5 6 7 8 9 10 11 12 13 14

Days

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ConclusionConclusion

My hypothesis was incorrect. I predicted My hypothesis was incorrect. I predicted that the trend would go from plant 6 to that the trend would go from plant 6 to plant 1. However, there was no trend in plant 1. However, there was no trend in the data. Plant 6 grew first, but then plant the data. Plant 6 grew first, but then plant 1 grew, causing it to have no trend.1 grew, causing it to have no trend.

PicturesPictures

Works CitedWorks Cited

1. "Beans." 1. "Beans." Watch Your Garden GrowWatch Your Garden Grow. University of . University of Illinois Extension, 2010. Web. 15 Nov. 2010. Illinois Extension, 2010. Web. 15 Nov. 2010. <http://urbanext.illinois.edu/veggies/beans/cfm>.<http://urbanext.illinois.edu/veggies/beans/cfm>.

2. Armstrong , Sheri. 2. Armstrong , Sheri. How Does Water Affect Plant How Does Water Affect Plant GrowthGrowth. Gardening Know How, Web. 10 Nov. 2010. . Gardening Know How, Web. 10 Nov. 2010. <http://www.gardeningknowhow.com/children-in-the-<http://www.gardeningknowhow.com/children-in-the-garden/how-does-water-affect-plant-growth.htm>.garden/how-does-water-affect-plant-growth.htm>.

3. Scherer, Thomas F. "Soil, Water, and Plant 3. Scherer, Thomas F. "Soil, Water, and Plant Characteristics Important to Irrigation." Characteristics Important to Irrigation." Interaction Interaction Between Plants and WaterBetween Plants and Water. North Dakota State . North Dakota State University, Feb. 1996. Web. 10 Nov. 2010. University, Feb. 1996. Web. 10 Nov. 2010. <http://www.ag.ndsu.edu/pubs/ageng/irrigate/eb66w.ht<http://www.ag.ndsu.edu/pubs/ageng/irrigate/eb66w.htm>.m>.