the realm of science summary

>Metals occupy the groups on the left of periodic table and are largely classified as alkali metals (group IA) alkaline earth metals (group IIA) and transition metals (elements between group IIA and IIIA) Metals and non-metals combine to form electrovalent or ionic compounds by transfer of electron..

Summary - In lower organisms, there is no transport system as the cells are in touch with the surrounding medium. The transport is by the physical processes like diffusion, osmosis, etc. With the advancement in structure, the organisms have to evolve methods to transport nutrients and was..

Is the object which moves towards the Earth due to force of gravit..

Evaporation is a surface phenomenon of liquid changing into vapour that causes coolin..

Motion: Whenever a body changes its position continuously with respect to the position of other bodies around it then it is said to be in motion Rest: An object which does not change its position with respect to its surroundings is said to be at rest Distance: It is the actual length of the..

The essential conditions to be satisfied for work to be done are: Some force must act on the object The point of application of force must move in the direction of force W = F x S SI unit of work is joule Energy is the capacity to do work The two types of mechanical energy are kinetic e..

Strength of an acid depends on the concentration of hydronium ions present in a solution. Greater the numbers of hydronium ions present, greater is the strength of the aci..

Study of the compounds of carbon is organic chemistry. They form the basis of living organisms and the things around u..

A complete chemical equation represents the reactants, products and their physical states symbolically and is a balanced account of a chemical transactio..

With increasing complexity, the organisms have had to develop means of control and coordination between the different parts of the bod..