Chapter 3 How to perform a study experiment.3.1 materials used 2. material: 1. milk, vinegar lemon juice 3.4.1.2-pot equipment pineapple juice measuring spoon. 3. some whites, 4., 5., 6. ladle furnace gas Cup.
Chapter 3 How to conduct experimental studies 3.1. Material used materials Milk 1. 2. 3. vinegar, lemon juice, pineapple juice 4. 2. 1. pot spoon white cloth 3. 4. 5. Gas 6. Ladle Cups.
Chapter 3.The method of the experimental group and control group.3.1 materials used equipment.The material 1. Milk 2. Lemonade 3. Vinegar 4. Pineapple juice. 1 pot device. 2. Measuring spoons 3. Some whites 4. The ladle 5. The stove. 6. Cup.