Mobile technologies; a pedagogical experiment; a questionnaire; an observation; the virtual world

Information and communication technologies have established themselves in all areas of human life. We use these technologies for work but also for entertainment. Computers facilitates numerous activities. New technologies also bring new problems. Therefore, educational institutions must respond to this situation. Children use computer devices very often, also to the detriment of their movement. Children also use a lot of mobile devices. There is a tendency to use mobile devices in the classroom and find new teaching methods. According to international research has current way of life negatively affects health, especially children. Children too much time sitting at the computer, stare into its smartphones, watching television for a long time. They move little and they carry little activity outside. The paper describes case study among children. We used questionnaire method and long-term observation. The first questionnaire was completed by 138 students aged 11 to 19 years. Obtained data are processed by statistical methods. For analysis of the results in each item was measured as having detected data variability. We used a coefficient of variation. To interpret the results of the second stage classification was done chi-square test. We've also used a case study. We are within one year we observed 15 boys aged 10 to 17 years. We have focused on observing their physical condition, any manually abilities, use of leisure time. This paper aims to show the possibilities of using information and communication technologies in promoting the healthy development of children. The paper shows practical examples of informatics education. The paper describes examples for education of informatics with physical activity. The findings were obtained in a survey that the detection methods used knowledge case study, questionnaire, observation, interview and pedagogical experiment.