Arrangement of educational field tours and excursions
Arrangement of educational field tours and excursions is considered now as an essential part of school programmes.
Arrangement of educational field tours and excursions is considered now as an essential part of school programmes.
Matter has the unique property of existing in different states at different temperatures and pressures. Solid, liquid and gas are the three states of matter.
According to the Bohr’s atomic model, the electrons revolve around the nucleus in certain orbits. These electrons are distributed in various orbits according to a scheme proposed by Bohr and Bury.