Analysis
Data
Day 1
When using the pH strips we found that the water’s ph was 7.0. The lemon juice’s pH was 2.0. The vinegar’s pH was 3.0.The acids have not made an effect on the pennies yet.
Day 2
The penny in the vinegar is shinier, but the penny in the water has not changed. The penny in the lemon juice seems cleaner in some areas.
Day 3
All three pennies have not changed whatsoever from the previous day.
Day 4
The penny in the lemon juice is becoming shinier and cleaner, while the penny in the water has not changed from day one. The penny in the vinegar doesn’t seem any cleaner.
Day 5
The penny in the lemon juice is getting still cleaner. The penny in the water is no different. The penny in the vinegar seems jagged around the edges.
Day 6
The penny in the lemon juice is almost half way clean. The lemon juice is foggy and seems to have white particles floating in it. The penny in the water is not any cleaner. The penny in the vinegar is cleaner around the edges. The vinegar has a bluish tint to it.
Day 7
The vinegar has turned completely blue, and the penny in that cup has been eroded around the edges. The penny in the plastic wrap is still the same, but there is evaporation on the plastic wrap. About two-thirds of the penny in the lemon juice is clean. The lemon juice has turned a greenish-yellow color.