The problem of the study was to determine the effectiveness of an in-service education program as a means of providing qualified foreign language teachers for elementary schools. Specifically, the problem was concerned with a statistical comparison of the achievement of two groups of pupils. One group was composed of fourth-grade pupils who were taught Spanish by teachers who had had a maximum of three college hours in Spanish and who had participated in an in-service education program. The other group was composed of fourth-grade pupils whose teachers had had a minimum of twelve college hours in Spanish but had not participated in an in-service education program.

A backpack full of information about a water world a collection of didactical tools for teachers with a group of children in a ZOO is a collection of educational materials and didactic tools that can be used for the work with pupils of primary school under the guidance of a teacher and without the presence of an instructor of a ZOO. It is a set of information and tools (photographs, substances, models etc.), methodical instructions and information for teachers and worksheets for children including solutions for leading groups. The set shows a demonstrative approach of the discussing subjects on expositions of live animals. The author´s field is a tutorship in primary school and that is why the diploma thesis focuses on younger pupils. It is about the superstructure of primary school education. The author sees an advantage in the fact that the program is self-serviced so it can be realized without the presence of an instructor of a ZOO. Pupils are guided by their teacher or a leader of a group who follows a methodical guide of a certain educational program. Pupils are learning about animal species from biological and geographical point of view by playful form directly in a ZOO. A part of the diploma thesis contains concrete didactical tools, map of a ZOO with marked posts, tools to given tasks, worksheets for pupils and methodical guide for a leader of a group.