The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Research on students‘ ideas about the particle model of matter shows thatstudents attribute to atoms or molecules all the properties shown by bulkmatter. These results indicate a failure in didactic communication of therules of the particle model. An analysis of some contemporary textbooks showsthat this is indeed the case. After reflection on the rules of the modelinggame, suggestions are made for...