Grade 7 Science Experiment 1 - The Effects of Acid Rain
The purpose of this science fair project is to understand the components of acid rain and how it affects soil and plant life. Acid rain is the result of the emission of sulfur dioxide and nitrogen oxides into the atmosphere. These emissions are then absorbed by water droplets in clouds and shower earth as rain, snow, or sleet. Acid rain can raise the acidity of the soil. This change in pH level can wreak havoc on lakes and streams.
In this science fair project we will determine what types of soils work best at neutralizing acid rain. We will test various types of soil by pouring acid water into the soil and then testing the pH level of the filtered water.
Acid rain will change the pH level of soil and water.
- Type of soil (clay, sand, mixture)
- Type of solution (Vinegar versus plain tap water)
- Six plastic plant containers that are each 1 quart in size
- Digging spade garden tool
- Six plastic bowls
- Measuring cup
- 1.5 gallons of tap water
- 1.5 gallons of vinegar
- Plastic milk gallon (Make sure to rinse clean the milk jug before using it in the science fair project.)
- pH paper - (Find wide range pH paper. Check to see if your science teacher has this type of pH paper.)
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