Fizz Rush
Materials
Chemicals
| Chemical Name | Amount Used |
| Alka Seltzer tablets | 2 |
| Vinegar (5%) | 50 mL |
| Dish soap | 2 drops |
Equipment
| Equipment Name | Number of Items |
| Cups (identical, slim, tall) | 2 |
| Mortar and pestle | 1 |
| Graduated cylinder (50 mL) | 1 |
| Weighing boat | 2 |
Preparation
Cup 1 – Prepare the vinegar solution
Using a graduated cylinder, measure 50 milliliters of 5% vinegar solution and pour it into the cup.
Cup 2 – Prepare the vinegar solution
Using a graduated cylinder, measure 50 milliliters of 5% vinegar solution and pour it into the other cup.
Experiment
- Alka Seltzer tablet preparation
Open the Alka Seltzer packet and place one of them on a weighing boat. Crush the other into a powder using a pestle and mortar. Then, transfer the contents into another weighing boat. - Add dish soap
Add two drops or a small amount of dish soap to both cups. Then swirl to distribute the dish soap evenly within the solution. - Add the Alka Seltzer to the cups
Add the whole Alka Seltzer to one cup and the crushed Alka Seltzer powder to the other cup at the same time. - Observe both cups
Watch the rate and the amount of bubbles that form in each cup. Observe that the cup with the powdered Alka Seltzer has a large amount of bubbles forming quickly and there is a lot less in the other cup.
