Test Yourself. Иванова Ю.В - 37 стр.

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9. Outside the solar system d) dissolve in it. 9.
10. When water changes into
steam
e) distances are so great that very
little has been found out.
10.
11. Water evaporates and
expands
a) is needed by plants to make
sugars.
11.
12. Big radio telescopes b) which have no backbones. 12.
13. Insects are small animals c) is measured with a barometer. 13.
14. Atmospheric pressure d) when it is heated. 14.
15. Carbon dioxide e) pick up radio signals from space. 15.
16. Oxygen a) is produced by the evaporation of
water and by breathing of living
things.
16.
17. Mercury is used as b) is vital to life. 17.
18. Compounds are
substances which
c) air and their controls are
aerodynamic.
18.
19. The moisture in the
atmosphere
d) consist of two or more elements.
19.
20. Hovercraft ride on a
cushion of
e) a catalyst in the production of
plastics.
20.
21. Fuel oil a) is a valuable source of energy. 21.
22. Dams are immense
structures
b) produces forward motion.
22.
23. Compressed steam c) contains sulphur. 23.
24. Air increases in d) which hold back the water of a
river.
24.
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