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The workbook contains four tests and two practical works. The tasks of the tests are offered in four equivalent versions.

The following materials are used in the tests

•   Tasks with a choice of one correct answer;
  Tasks for establishing correspondence (logical pairs);  Tasks for establishing the correct sequence;  Open-ended tasks with a short answer.

The notebook contains tasks for two practical works, as well as tables for recording the progress of experiments, results of observations, explanations and conclusions.