11. Complete the following sentences with the given words in an appropriate form and define their meaning in each case:

solution (n) dissolve (v) soluble (adj) solvent (n)

1) Uranium is … in sea water. 2) … the salt in a little boiled water. 3) Water is a … for salt. 4) Industrial …s should be applied to get rid of stains. 5) Vitamins in … are more affected than those in solid foods.

heating (n) heat (n) heat (v)

6) This gas absorbs the sun's energy and …s the air above it.7) The … of the day is the hottest part of the day, especially when this is very hot. 8) … the tomatoes and oil in a pan. 9) I wish I knew how to turn on the ... . 10) We had no … in our bedrooms.

12. Match the following word combinations with their equivalents and use them in the sentences of your own:

A
dissolved substances to crumble easily in situ to interact with minerals to attract liquid water the principal driver to place considerable stress unloading rusting of metallic iron to act as solvents		ржавіння металічного заліза головний чинник притягувати воду розчинені речовини діяти як розчинники на місці залягання легко кришитися взаємодіяти з мінералами чинити значний тиск розвантаження
B to change the composition of rocks an ongoing process to enhance thermal expansion an acid attack frost shattering biota [baɪ'əutə] to aid the disintegration process the most abundant minerals it should not be confused with erosion tremendous pressure		флора та фауна цього району руйнування порід через мороз кислотна атака змінювати склад порід безперервний процес найбільш численні мінерали посилювати термічне розширення не слід плутати з ерозією величезний тиск сприяти руйнуванню порід

13. Fill in the prepositions:

In by with into in to beneath as from on

1. Natural waters contain many dissolved substances that can act … solvents. 2. Thermal stress weathering results … expansion and contraction of rock. 3. It is caused … the approximately 10% expansion of ice. 4. Chemical and physical weathering often go hand … hand. 5. Physical weathering can occur due … temperature, pressure, frost. 6. Organisms and plants also take part … rock disintegration. 7. These intrusive rocks are exposed and the pressure … them is released. 8. It should not be confused … erosion, which involves the movement of rocks and minerals by agents. 9. Intrusive igneous rocks are formed deep … the Earth's surface. 10. Roots penetrate … fissures and develop the lateral pressure.