a) , , , , , , , , , , , .
b) Make up your own sentences with 3 of these words.
Answer the questions.
1) Which branch of chemistry deals with the study of materials not derived from living organisms?
2) Which branch of chemistry studies the behaviour of a chemical substance in the presence of a magnetic field?
3) What is the study of substances containing carbon called?
4) What other branches of chemistry do you know?
5) By whom were antibiotics prepared?
Fill in the gaps with suitable words given below.
(Production, repelled, unpaired, solution, foodstuffs, compounds, enabled, branches, electrolysis, chain.)
1) Diamagnetic substances are... by a magnetic field.
2) Much of the work of the biochemist is concerned with... and medicines.
3)... is the process whereby electrical energy causes a chemical change in the conducting medium.
4) Electrolysis is generally used as a method of deposition of metals from....
5) The theory of... reactions is a major discovery of our time.
6) The close links between the science and industry... the chemical industry to make great progress.
7) Zelinsky's works formed the basis for the synthesizing of a large number of new chemical....
8) Scientists are making a major contribution to... of aniline dyes.
9) There are more than 30 different... of chemistry.
10) Diamagnetic substances have no... electrons.
Translate the sentences from Russian into English.
1) .
2) .
3) .
4) .
5) .
6) , .
7) - .
6. Read the text without the dictionary and retell it in Russian:
Chemistry is a very large subject. It is the investigation and discussion of the properties of substances. If we ask why do we study chemistry, the answer can be it is through chemistry we obtain the knowledge of matter, its changes and transformations.
Everyone understands that science of chemistry plays an important part in the modern world.
Chemistry plays an important in the development of other sciences such as physics, biochemistry, geology and a lot of other fields of science.
7. Read and translate the following derivatives:
1) analytical, analysis, analyse; 2) scheme, schematic, schematically; 3) compress, compression; 4) identify, identification; 5) include, inclusion, inclusive; 6) prepare, preparation, preparative; 7) adsorb, adsorbent, adsorption; 8) technique, technical, technician; 9) evaporation, vapor; 10) equilibrium, equilibrate, equilibration; 11)behavior, behave; 12) solute, solution, solvent, soluble, dissolve.
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Translate into English
. , , . , , . , , , , . - , , .
9. Make a report or presentation about the famous chemist you know. Tell it to your group and vote for the most interesting report/ presentation.
