Limestone

Today we will be looking at limestone, then using it in a practical in period 3.  Answer the following in you books -

1. What is the chemical symbol for limestone? - http://www.creative-chemistry.org.uk/gcse/documents/Module6/N-m06-33.pdf
2. What type of rock is it (Igneous, metamorphic sedimentary)? - http://www.rockhounds.com/rockshop/rockkey/#limestone
3. Watch this video, using headphones if you have them. Where is limestone formed? what does it form from?
4. What does limstone look like? http://www.rockhounds.com/rockshop/rockkey/#limestone 
5. Describe some of the common uses of limestone - http://www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/rocks/limestonerev3.shtml 
6. Explain one problem associated with building things out of limestone - http://www.elmhurst.edu/~chm/vchembook/196buildings.html
7. If you have time, watch this video about limestone caves in South Australia.  why are the caves formd in Limestone more easily than other types of rock?
8. Try this activity  - http://www.funtrivia.com/newflash/trivia.cfm?qid=205359 
9. For an extension, try and find out what coccolithophores are and what part or Britain they helped create.  There's an achievement point for anyone wo can do this!