1. MILK Jordi Morera Saber El Morabit Bin Huang Anchal Sharma Maria Fernandez

2. WHAT IS MILK? The milk is a white liquid produced by the mammary glands of mammals The milk contain vitamins and calcium There are different types of milk, for example: full cream milk, powdered milk or semiskimmed milk. 3. FIRST EXPERIMENTATION We go to the laboratory We verify the milk is because acidification caused by the growth of bacterial 4. MATERIALS - Beakers - Erlenmeyer flask of 250 ml - Pupeta - Wand Glass - Test tube - Vinegar - UHT Milk 5. METHOD First of all the teacher has taught us two types of milk are expired. We did that experiment consisted in put hot milk pasteurized Expire in a flask with a pipette, and then we put vinegar inside the flask mixed We've came out as the teacher had taught us pasteurized milk expired that was smelly and had lumps 6. SECOND EXPERIMENTATION The second experimentation, we stay in class We sample, smelling and seeing the diferent types of milk : Cow and goat 7. METHOD We started with a glass of cow's milk and other milk a goat. We have smelled, tasted and looked and have drawn some conclusions. We also looked at which methods have to keep milk 8. THE END