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English for students of Chemistry (1).docx
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V. Find all the international words in the text. Say what Russian words help to guess the meaning of these words.

VI. Read the following English word combinations taken from the text Chemistry as a Science. Choose their Russian equivalents.

the manufacture of ceramics

представить новую концепцию

to discover regularities in the properties of elements

претерпевать видоизменения

to form compounds

определение состава соединения

to undergo transformations

принимать форму сосуда

to introduce the new concept

обнаружить периодичность свойств элементов

to take the shape of a container

образовывать соединения

the determination of the composition of a compound

изготовление керамических изделий

VII. Read the sentences, substitute the underlined words by the synonymous ones.

  1. The origin of chemistry is connected with the manufacture of bronze, iron, ceramics and glass.

  2. Chemical transformations are usually accompanied by the liberation or absorption of energy.

  3. Chemistry deals with the composition and properties of a substance.

  4. Most of the elements are able to combine with other elements and form compounds.

  5. Gases take the volume and the shape of their containers.

  6. Every substance has physical and chemical qualities.

  7. Chemical properties of a substance are determined by its interaction with other materials.

VIII. Read the sentences, fill in the blanks with the words given in the box. Translate the sentences into Russian.

container

to discover

composition

development

analysis

concept

mixtures

liquids

melting

  1. A. Lavoisier introduced the … of the chemical elements.

  2. D. I. Mendeleyev … regularities in the properties of elements.

  3. Many great scientists devoted their lives to the … of chemistry.

  4. A chemical change involves changes in … and properties of matter.

  5. All forms of matter consist of either pure substances or … of two or more pure substances.

  6. … is the determination of the composition of a compound.

  7. … have a definite volume but no definite shape, taking the shape of the … they are in.

  8. The process of transforming solid into liquid state is called … .

IX. Read the sentences, insert the proper prepositions into them. Translate the sentences into Russian.

17: into (1) under (1) by (1) from (2) in (3) of (6) to (2) with (1)

  1. The origin of chemistry goes back … ancient times.

  2. In the 17th century modern chemistry began … the work of Robert Boyle.

  3. A chemical change involves changes … composition and properties … matter.

  4. The formation … a compound … simpler substances is known as synthesis.

  5. Matter exists … three states: the solid, the liquid and the gaseous state.

  6. The process … breaking down a compound … simpler substances or its elements is called analysis.

  7. A matter usually can be transformed … one state … another … the changes … its temperature.

  8. Chemical changes are usually accompanied … the liberation or absorption … energy … the form … light, heat or electricity.

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