The device for changing the four seasons of the globe

摘要

This study is concerned with the four seasons change brought about by the earth's revolution and rotation. It is easy to teach and learn the seasonal change device of the globe,In order to have an artificial meeting at the outer end of the circular table with the vertical pole connected to the light bulb as the center,In the interior of the above-mentioned earth headquarters, permanent magnet sheets are used,Under the light of the bulb, the inner part of the solar cell generating the power supply, the lamp started by the power supply of the solar cell and the flow cap with the built-in auxiliary battery are pasted with a magnet sheet, and the flow cap is pasted on the surface of the earth body with the magnetic force of the permanent magnet sheet and the magnet sheet According to the different power supply, we can easily teach and learn the four seasons change of the earth body according to the function degree of lamps and by-products.