Limestone

1
Limestone
2
Limestone is a sedimentary rock It is mostly
made up of the compound calcium carbonate
3
Making glass
Buildings
Uses of Limestone
Improving soil fertility
And even the tourist trade
Making concrete
4
Limestone is easy to c__________ and is
a_____________
5
Powdered limestone clay (heat) ? cement
6
Cement sand ? mortar Cement pebbles ?
concrete
7
Limestone (heat) ? calcium oxide quicklime
Quicklime and sand are used to make glass
8
Powdered limestone is sometimes added to soil if
it is too acidic The limestone neutralises acid
in the soil
9

1. Where do we get limestone from?
2. What kind of rock is it?
3. What compound does it mostly contain?
4. Why is it a popular building material?
5. What is mortar?
6. What is it made from?
7. How do you make cement?
8. What do you add to cement to make concrete?
9. Why is concrete used so much?
10. What is used to make glass?
11. Why might soil be too acidic?
12. What can farmers do to make it less acidic?
13. How does this work?