T2+Reading



__Thursday 19th May__

Explanation: Why does baking powder fizz up when you add vinegar? The baking soda and vinegar experiment is one of the most popular and easiest experiments. This is an experiment actually has two reactions happening very quickly. This experiment is called a multi-step reaction.

Baking soda has sodium bicarbonate in it. When it mixes with vinegar (which is an acid) it goes into a reaction and creates carbonic acid. If you watch the reaction you will see that it bubbles into thick white foam.The bubbles you see from the reaction come from the carbon dioxide escaping the results

__ Wednesday 18th May __



Reflection: Today I think I worked very well and it was pretty fun.

6/05/11 Excellent work Erica I will be marking this with you next week.

Technical words Repel Positive Negative

Reflection Today I learnt how a thunderstorm or lightning get made,it was fun and i like working with a group Today I put a green because I like working with a group.

Centers Reflection: Today I found it a little bit difficult but I got it after a little bit now I have a bit of an idea what explanation is,and I now some more about lighting and thunderstorms. today I put yellow light because I found it a little bit hard.