1. What is the chemical bond?
2. What is the function of the chemical bond?
3. What types of chemical bonds do you know?

Objective of the activity is to determine the quality of water samples of different sources using chemical and microbiological indirect methods. The action has planned activities in the laboratory of Chemistry with the determination of the presence of the organic substance, as an indicator of contamination, through the method of Kubel and in the laboratory of Microbiology with the determination of Total Coliforms with MPN method.

INTRUCTIONS ON HOW TO USE IT: This Excel game is to be used as a sort of quiz game in Chemistry and Geology. The file contents two Excel sheets (bottom left of the screen), one for each subject. The user (student) will see several pictures related to these subjects, and in the box underneath he/she will write the word which describes the picture. If it is correct, it will be so announced with a green background. If not, it will be red and the user will be asked to try again.

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

The software related w?th the Chem?stry formulas ?s used to re?nforce the top?c. The formulas related w?th the chem?stry are matched w?th the?r names.

Lesson Objectives :
1)To Explain the mole concept with the particle concept and the number of Avogadro
2)To use ICT as a succesful tool when learning.
Method : Question – Answer Method,grup discussion, teaching method