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Botany Science Fair Project

Acid Rain and Seed Germination

Acid Rain and Seed Germination | Science Fair Projects | STEM Projects
Acid rain is a serious environmental issue, and it can have a major impact on the germination of seeds. Let's see if we can find out how much of an effect it has on the germination of carrot seeds.


The hypothesis is that the percentage of seeds that germinate will decrease as the amount of acid added to the water during germination time increases.

Method & Materials

You will need to count out 100 carrot seeds, lightly dampen two paper towels, place the seeds in a horizontal line on one paper towel, roll the paper towel up with the seeds in it, wrap the other paper towel around the first one, wrap a sheet of plastic wrap around the paper towels, and place the paper towel roll in a container of water with varying amounts of acid.
You will need 500 carrot seeds, a roll of plastic wrap, a roll of paper towel, 5 containers of acid rain pH solution of H20 and nitric acid, a graduated cylinder, and 5 glass canning jars.


The results of the experiment showed that the trial with no acid had a higher number of seeds germinate, while the trial with all acid had the lowest percentage of seeds that germinated. This shows that acid rain can have a major effect on the germination of seeds.

Why do this project?

This science project is interesting and unique because it shows how acid rain can have a major effect on the germination of seeds, which is an important environmental issue.

Also Consider

Variations to consider include using a stronger acid level and recording data for a longer period of time to see how the plant grows and matures in an acidic environment.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

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