Sun, Earth and Moon in motion - model V (tellurium)

MACHINE TRANSLATION (not authorised yet)

A teaching aid also called tellurium. Convenient, group version of this model - it is battery-powered (5 x 1.5V) and allows the presentation of such difficult to understand by the students at school phenomena as: spinning and circulation of the Earth, day and night, daylight changes, seasons, eclipses. The Sun is represented in the model by an orange sphere from which light falls on the Earth represented by the globe of the globe inclined at an angle to orbit. The Sun and the Earth are placed on a stable arm and on a separate arm there is a model of the Moon that can be placed around the Earth. The model is moved by means of a gear system and moved or set manually, backlit by a battery (switch) - so it can be moved freely and is made of plastic and metal. Based on the information (markings in English) about the seasons of the year in the northern and southern hemispheres and the markings of the 12 consecutive months; the same information in Polish can be found on the overlayed coloured disc. Diameter of Sun and Earth models: 5.5 and 9.5 cm. Total dimensions of the didactic aids: 43 x 20 x 27 cm.