Plastic 4 and 5

Guiding Questions:

1. the decomposition of plastics
2. in what way are non-biodegradable plastics harmful to the environment?
3. the steps and procedures to make natural plastic from dairy products.
4. What if the experiment fails? any alternative methods?
5. What are the results to be tabulated?
6. Will the products be usable?
7. the principle of using milk to produce natural plastics?
8. why are natural plastics easier to decompose?
9. Why are natural plastics better than oil-based plastics?

Procedures to carry out the experiment:
1. Boil the milk in a water bath and add vinegar to the boiling milk.
2. Wait for milk curds to be formed.
3. Allow the milk curds to cool down and separate the milk curds from the solution.
4. Place the milk curds in a container.
5. Allow the milk curds to stand for 2 hours.
6. Wash the milk curds with water and retrieve the plastic.