Student:
- is familiar with the concept of polyhedron;
- recognizes prisms and pyramids among polyhedrons;
- distinguishes polygons and knows their properties;
- distinguishes regular polygons;
- is able to define the concept of regular polyhedron, distinguish and name a particular polyhedron;
- is able to describe properties of every platonic solid;

Install Scratch, open the file and use the PRESENTATION mode- upper right corner then click START on the green flag.

Students…
• search for and classify information from a certain source
• work with PC application Word, table and pictures
• find connections and relations based on numeric data
• have good knowledge of the map of Europe

The class is divided into 6 groups. Three of the groups will deal with the morphological signs of the 3 races and the other three groups – with the physiological signs. Each group uses a computer with an Internet connection to find out the signs they are allotted. The teacher specifies the time the students may have. Then each group presents what they have found out.

Methodological ideas described below are suggestions for lessons which can be carried out in the 1st, 2nd and 3rd form of secondary school. Their subject matter is directly connected with the curriculum for the III and IV stage of education (middle school and secondary school) as well as with the standards of exam requirements. These suggestions and methodological ideas for teachers combine factual knowledge with practical use of the Internet.

Some Information about luminol
IUPAC name: 5-amino-2,3-dihydro-1,4-phtalazinedione
Molar mass: 177,16 g/mol
Melting point: 319 – 320 °C