In the labVersion en ligne Conversation par Mariana Flores Gonzalez Teacher Good morning, guys! Students Good morning, teacher Teacher We are going to do an experiment today. July Yes, The Blowing up Balloon! Teacher That´s right! Ok. What materials do we need? Students We need a balloon! July We need water! Teacher We need four spoons of water. What else? July A plastic bottle and a straw Teacher Yeah, anything else? Students Yes, we also need a lemon and baking soda Teacher Very good! We need the juice of a lemon and a teaspoon of baking soda. Good! July We have everything here, taecher. Teacher Ok. So, are you ready to do the experiment? Students Sure!
