Page 25 - 新思维科学学生用书2 样章
P. 25

1   Environments and habitats


           Using rocks



           Planet Earth is made of rocks. Some rocks are deep underground,

           some rocks are at the surface.

           We use rocks to make roads, paths, bridges, walls, floors,

           buildings, roofs and even fire.




           Questions


           1  How have rocks been used to make the things shown in

                these pictures?

















































           2  What other things do we make from rocks?








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