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By David Fulbright. This project is the affect of Elodea (a water plant) on the water quality of a fish tank. These fish tanks are filled with one Zebra.

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Presentation on theme: "By David Fulbright. This project is the affect of Elodea (a water plant) on the water quality of a fish tank. These fish tanks are filled with one Zebra."— Presentation transcript:

1 By David Fulbright

2 This project is the affect of Elodea (a water plant) on the water quality of a fish tank. These fish tanks are filled with one Zebra Danio. The amount of Elodea in each tank varied from tank to tank. The first two tanks had two plants in them. The second pair of tanks had four plants in each tank. The final two tanks had six plants in each tank. Each tank was tested for ammonia, ph, nitration, and temperature every day.

3 Elodea- a water plant Zebra Danio- a hardy and active fish Water Plants improve the water quality of lakes

4 Question and hypotheses Question- what affect do water plants have on the water quality of a fish tank Hypotheses- If the amount of Elodea in a fish tank increases, then the water quality will improve.

5 eight milk cartons, eight Zebra Danio fish, water plants, a can of fish food, a thermometer, PH testers, Nitrate tester, Ammonia, a pencil or pen, a notebook, water, and a few towels.

6 Variables Control- the two jugs with no plants in them. Independent- the amount of plants in the milk jugs. Dependent- the water quality of the fish tanks. Constant- the amount of fish in each jug.

7 Procedure 1. Clean the milk jugs out 2. Set up the milk jugs near a window with a towel underneath the jugs. 3. Fill the milk jugs just below to where the jug gets narrower, to let the cap screw on, with water 4. Cut the narrow part of the jug so that tests can be preformed 5. Place the plants needed in each jug 6. Place the two fish in each jug 7. Observe and test the water quality of the water every day at 8:00 pm for one week 8. Record all data in note book

8

9 Temperature Jug #Day 1Day 2Day 3Day 4Day 5Day 6Day 7 Average Jug 1726668 696668 Jug 2706667 706867 68 Jug 37168 696766 68 Jug 4746769 706867 69 Jug 572666769706768 Jug 6746768 706866 69 Jug 772666970 6867 69 Jug 87468 69706967 69

10 Nitrate Jug #Day 1Day 2Day 3Day 4Day 5Day 6Day 7 Average Jug 10000000 0 Jug 20000000 0 Jug 30000000 0 Jug 40000000 0 Jug 50000000 0 Jug 60000000 0 Jug 70000000 0 Jug 80000000 0

11 Ammonia Jug #Day 1Day 2Day 3Day 4Day 5Day 6Day 7 Average Jug 100.25.50 11.46 Jug 200.25.50 11.46 Jug 3000.25.50.2 Jug 4000.25.50.2 Jug 5000.25.50.2 Jug 6000.25.50.2 Jug 7000.25.50.2 Jug 8000.25.50.2

12 PH Jug #Day 1Day 2Day 3Day 4Day 5Day 6Day 7 Average Jug 17.6 Jug 27.6 Jug 37.6 Jug 47.6 Jug 57.6 Jug 67.6 Jug 77.6 Jug 87.6

13 Discussion The ammonia in all the tanks with plants increased much slower. The tanks with out any plants had more ammonia in them. The temperature varied but was averagely about 68 degrees F. The ph level was the same the entire time it was 7.6 in every tank all week. The nitrogen was always 0 for the whole week.

14 Conclusions The ammonia was the only thing that really showed any results The ammonia was the same in all the tanks with plants The hypotheses was disproven

15 Future studies Bigger environments For a longer time Use more fish Use more plants

16 Biblography "Aquatic Plants, Algae & Lakes." Washington State Department of Ecology | Home Page | ECY WA DOE. 27 Oct. 2009.http://www.ecy.wa.gov/Programs/wq/links/plants.html NC Division of Water Quality: Algal and Aquatic Plant Assessment. (n.d.). Retrieved October 27, 2009, from http://h2o.enr.state.nc.us/esb/algal.html http://h2o.enr.state.nc.us/esb/algal.html Kocic, Aleksandra, Tomislav Hengl, Janja Horvatic. “Water nutriend concentrations in channels in relation to occurrence of aquatic plants: a case study in eastern Croatia.” Hydrobiologia 603.1 (May 2008): 253(14). Environmental Studies and Policy Collection. Gale Kansas State library. 25 Oct. 2009 http://find.galegroup.com/itx/start/start.do?prodid=PPRES.http://find.galegroup.com/itx/start/start.do?prodid=PPRES Miri, Rachid, and Abdelwahab Chouikhi. “Ecotoxicological marine impacts from seawater desalination plants. (Report).” Desalination 182.1-3 (Nov. 1, 2005): 403(8). Environmental Studies and Policy http://find.galegroup.com/itx/start.do?prodid=PPES. http://find.galegroup.com/itx/start.do?prodid=PPES


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