Year 7 - Science - 30-1-15

Thai Sikh International School

E-Learning Programme – Online Assignment –   30/01/2015

Name :                                                                                             Subject :G.Sci 

Year   :  7                                                                                    Schedule No. : 6                        

1.Chemical reactions can happen everywhere, mention at least ten examples of reactions  based on your observations.

2. Color change happens when iron rusts, what else can happen in chemical reactions?.

3. Write short notes on the following in about 100 words:

  a). Burning, and b). Corrosion.

4. What are the steps involved in the formation of Magnesium Chloride?., show them diagrammatically.

5. The amount of carbon dioxide in the air increases by several ways, explain them in about 50 words.