Exercise III. Give English equivalents for the following words and word combinations:
| a) åėåźņšč÷ķčé ēąš’ä | |
| b) ō³ēč÷ķ³ āėąńņčāīńņ³ | |
| c) õ³ģ³÷ķą šåąźö³’ | |
| d) ō³ėüņšąö³’ | |
| e) ńźėąäąņčń’ ē ÷īćīńü | |
| f) ļīēčņčāķī ēąš’äęåķčé ļšīņīķ | |
| g) ļåšåāīäčņč ē īäķīćī ńņąķó äī ³ķųīćī | |
| h) īńīįėčāą āėąńņčā³ńņü |
Exercise IV. Match the terms with the following definitions. Choose from gas, molecule, liquid, solid, neutron:
1. One of the three fundamental states of matter, in which matter is hard or firm, is called .
2. One of the constituent particles of every atomic nucleus except ordinary hydrogen is called
3. Smallest identifiable unit into which a pure substance can be divided and retain its composition and chemical properties is called ..
4. One of the three fundamental states of matter, in which matter has no definite shape and is very fluid, is called ...
5. One of the three principal states of matter that flows freely is called .
Exercise V. Answer the following questions to check your understanding of the text:
1. How many states of matter are there?
.. .............
2. What type of change is called a physical change?
.. .............
3. What can chemical properties describe?
.. .............
4. When does a chemical reaction occur?
.. .............
5. How can we separate mixtures?
.. .............