WEATHERING  - Grammar tasks - Ss

                          English for Earth Science – Věra Hranáčová, 2008

                                        Physical weathering

   1.    Due to freezing water in cracks, the pressure from the ice and trapped water increases
   as the water continues to freeze deeper into the rock. (4^th paragraph)
   What does the part of the sentence beginning with due to explain? –
   Use other expressions instead of due to: 

   

   2.    This pressure can, by means of countless tiny fractures, actually split the rock.
   (4^th paragraph)
   What does the part of the sentence beginning with by means of explain? –

   

   3.    As the plant roots grow, they push against the sides of the cracks …
   What does the part of the sentence beginning with as explain? -
   What is it in Czech? -
   Find one more example with as at the beginning of a sentence.

                                        Rates of weathering

   1.    Compare (3^rd paragraph):
   a)  Sedimentary rock is therefore more porous than igneous or metamorphic rock.
   b) That is why sandstone tends to weather faster than granite.
   Co obě spojky uvádí?  -
   Dají se tyto spojky zaměnit?  -

   2.    Compare:
   a) Even though 20 m or greater in height, each obelisk was carved from a single piece of    
   rock. ^(5th paragraph)
   b) Even so, the writing on its sides had weathered very little. ^(6th paragraph)
   Co obě spojky uvádí?  -
   Dají se tyto spojky zaměnit?  -

   3.    Jak anglicky vyjádříte přímou úměru čím…., tím……? -