Unit 2. In the chemical laboratory

Part I. Speaking and vocabulary

Lead – in

Exercise 1: Identify the laboratory equipment. Describe its functions.

		demonstration table test-tube funnel flask retort burette burner analytical balances measuring cylinder

Exercise 2: Complete the sentences with one of the words or phrases given:

demonstration table flask measuring cylinder test-tube burner funnel burette retort analytical balances

The сhemical laboratory’s equipment consists of different useful pieces: _______________ _____________________ are mainly used in chemistry to measure small amounts of substances to the highest degree of accuracy; ___________________ is a glassware device used for distillation or dry distillation of substances; ___________________ is a clear, cylindrical glass tube usually open at one end and rounded at the other, used in laboratory experimentation; ___________________ is a vessel (container) which fall into the category of laboratory equipment known as glassware; ___________________ is a vertical cylindrical piece of laboratory glassware with a volumetric graduation on its full length and a precision tap, or stopcock, on the bottom; __________________ is a kind of tables used for carrying out experiments in the chemical laboratory; __________________ is a piece of laboratory equipment used to accurately measure the volume of a liquid; __________________ is a common piece of laboratory equipment that produces a single open gas flame, which is used for heating, sterilization, and combustion; ___________________ is a pipe with a wide, often conical mouth and a narrow stem. It is used to channel liquid or fine-grained substances into containers with a small opening.

Exercise 3: Name the basic lab equipment in the pictures below:

1. ______________	2. ______________	3. ______________	4. ______________
5. ______________	6. ______________	7. ______________	8. ______________

Exercise 4. Complete the text using the words and phrases:

bleeding laboratory room physician carefully safety glasses chemicals victim accidents poisonous

Basic first aid in the chemical laboratory

________________ do not often happen in well-equipped chemistry laboratories if students understand safe laboratory procedures and are careful in following them. When an occasional accident does occur, it is likely to be a minor one. The following information will be helpful to you if an accident occurs.

If something happens, notify the teacher immediately! An accident report must be filled out.

You should know the location of the first aid kit in the ________________.