This material is part of a large collection of activities that cover all the Catalan curriculum of social and experimental sciences for primary school. The project, created by Joan Verdaguer i Andrès, has been carried out thanks to a sabbatical year granted by the Catalan Ministry of Education (DOGC 3926 - 16/07/03).

This set of activities of experimental sciences, addressed to pupils 9 years old, has 12 units:

• The senses
• The food and digestion
• The breathing and the circulation
• To be born and grow
• The vertebrate
• The invertebrate
• The plants
• The living beings and the enviroment
• The land
• Rocks and minerals
• Materials
• Inventions and machines

The material is complemented with the activities for 6-7 years, natural sciences 8, natural sciences 10, natural sciences 11, social sciences 8, social sciences 9, social sciences 10 and social sciences 11.