Bath bomb

Bath Bomb - Rhonda and Iliana

Materials:

1. 1 cup  Baking Soda
2. ½ cup epsom salt (optional)
3. ½ cup corn starch
4. ½ cup citric acid
5. 1-2 tablespoon Water
6. 4-6 drops Food colouring (Optional)
7. 6 drops of Coconut or essential oil (Optional)
8. Measuring Cups
9. Bowl
10. Moulding trey (Any kind)

Method:

1. Add the baking soda, epsom salt, cornstarch and citric acid into the bowl.
2. Stir.
3. Add 6 drops of coconut or essential oil (optional).
4. Pour about 1-2 tablespoon of water.
5. Add 4-6 drops of food colouring.
6. Stir.
7. Place the mixture in a mold(Any type of mould) and flatten the top with the palms of your hands.
8. Leave it to set for a while so that it can become hard.
9. Take the bath bomb out of the bowl.
10. Drop the bathbomb in water.

Hypothesis:

Rhonda: I think that when the bath bomb is in the water the water will overflow because of the bath bomb fizzyness.

Iliana: The bath bomb might fizz up in the water and will make the water colourful and satisfying to watch and have a nice texture.

Hypothesis: