A lot of things in our life depend on favorable or unfavorable circumstances. We can say for sure that the web-pages we present to your kind attention would newer come to existence if there were no such a wonderful site for kids as the ThinkQuest site is. Possibilities it gives to students all over the world and interesting students' entries one can find there gave us inspiration to elaborate interactive part of our pages, - in which comparative sociological study is performed via Internet. A lot of thanks to all those who has created it, who support this site and care for it!

Ukrainian students are also thankful to the Ukrainian Physical Society for providing support in their work.

We hope number of schools participating this work to increase quickly enough and are appreciated to all those who have taken part in it.