Chemical reactions Combustion Oxidation Fermentation Combustion Produce energy

Chemical reactions Combustion Oxidation Fermentation

Combustion Produce energy in form of light or heat. It occurs when the oxygen in the air reacts with a fuel

Chemical reactions Combustion Oxidation Fermentation

oxidation The metal reacts when it has been in contact with the air. The metal changes and becomes in rust(iron oxide).

Chemical reactions Combustion Oxidation Fermentation

fermentation A reaction that is produced by a bacteria o fungi Do you want to try? Click here

If you want to produce your own fermentation, you need…. - 4 tablespoon (cucharadas) of wáter - 4. tablespoon of flour Use this video to do - 1 glass bread(you need your parents’ help) Day 1. Put the water and the flour in the glass, mix them and use a cloth (paño de cocina) to cover the glass Day 2. Mix them again and cover the mixture. (you can start to observe some bubles in the mixture) Day 3. Eliminate 2 tablespoon and add 2 tablespoon of flour and 1 tablespoon of water (you have to obtein the same texture that the first day, if you don’t have it, you can add flour again) and cover the mixture. You can use a pen to mark the quantity of mix the glass has. Day 4. Repeat the process in day 3. Day 5. Continue with the same process until you observe in two hours the double of content. In this moment, the fermentation has ocured. You can produce bread. (this process could need more tan 5 days, in this case, repeat the same process each day until you can observe the double of content in 2 or 3 houres). In this momento, the fermentation