AIMS:
To revise and extend students’ knowledge of butyric carbohydrates
To systemize students’ knowledge of butyric carbohydrates
To put into practice the acquired knowledge of the structure, isomerism and chemical properties of the butyric carbohydrates
To illustrate the connection between the carbohydrates by means of chemical reactions
To develop students’ thinking and imagination by means of different logical operations- synthesis, analysis, comparison, analogy

Student:
- is familiar with the concept of polyhedron;
- recognizes and names spatial solids;
- shows practical use of spatial geometry in everyday life;
- finds elements of geometry in different fields, e.g. in chemistry, architecture, nature;
- uses simple calculation to establish the volume area and surface area of geometric models.

Description:
Learning from the real world has magnetic appeal for students. That’s one reason why the newspaper is the perfect teaching tool. In addition, using a newspaper in the classroom improves student vocabulary skills, increases knowledge and encourages a positive attitude toward learning. In the other hand teach that the newspaper reporting has a style and a language of its own.

There is a map. A student (for each crusade a different student) has to point the starting point of the first crusade and follow the route until the end. Then the class discusses the crusade in terms of aims, planning, choice of route, strategies, consequences and results. The same is done with the other 8 crusades.

The purpose of the lesson is to have the students' research, in depth a country in Africa. It is important for the students to know a little about these places so they will develop a better understanding of the world around them. The lesson and unit will focus on major facts about 6 countries in Africa. These facts deal with the history, geography, economy, and interesting things about each country.