How Does Salt Effect Plants. 9-5 Project 1 March 2 2008. The purpose of my project is to see the effect that salt has on plants. Purpose. My hypothesis is that the salt will have a negative effect on the plants. I think that road salt will have the most negative effect on the plants.
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9-5 Project 1
March 2 2008
My hypothesis is that the salt will have a negative effect on the plants. I think that road salt will have the most negative effect on the plants.Hypothesis
Responding Variable: How the plants react to the salt. Ex; Height, color etc.
Control Variables: - type of plant
- size of pot
- type of soil
-amount of water added
- amount of salt added. ( for the two that had salt.)Variables
Salt: - turned yellow and started to droop at day 3
- turned brown at day 8
Water: - New leaves started to come at day 5
- new leaves opened at day 11
Sand/Salt: -Started to turn yellow at day 2
Sea water: -A couple of leaves turned yellow at day 7
Water day 0 Water day 14
Sand/salt day 0 Sand/salt day 14
Seawater day 0 Seawater day 14
My conclusion is that yes, salt does effect plants. My hypothesis was correct when I said that salt does effect plants. However I was incorrect when I guessed that the plain road salt would effect the plants most, the sand/ salt effect the plants the most.Conclusion