1. To give evidence of "sacrifice protection"
2. To explain how the reactivity can be used in engineering.
Experiment - We had 6 nails , we wrapped 4 of them in 4 different metals which were copper , Iron , magnesium and Aluminum. The other two had nothing around them. We put the ones with metal wrapped and one of the empty ones in water.
Before -
After -
Arlan
ReplyDeleteLooks good. So what was your conclusion? And how can the information be used in engineering? What could that mean for society?