Acid Rain

In science we are looking at acid rain. Acid rain is formed when fossil fuels are burned releasing carbon dioxide, nitrogen oxides and sulfur dioxide into the atmosphere. They then mix with the water droplets making it more acidic then normal.

Equipment
Petri dish, blue litmus paper, bromothymol blue, universal indicator, leaf, apple piece, weigh boat, Calcium Carbonate, dropper,

Method

1. set up petri dish
2. Add one spatula of sodium sulfate to weight boat
3. Add 5 drops of sulfuric acid and quickly put lid on.
4. Watch and take photos

Observation

The blue litmus paper started changing first. It slowly faded from blue to red. The bromothymol blue started to change next going from blue to yellow to dark green. The universal indicator changed to a light red. The apple piece, leaf and Calcium Carbonate didn't have a noticeable change.