VIBGYOR

ANODE RAYS AND DISCOVERY OF PROTONS The existence of positively charged particle in an atom was shown by GOLDSTEIN in 1886. He repeate...

DISCOVERY OF THE ELECTRON - CATHODE RAYS The electron was discovered as a result of the study of conduction of electricity through ga...

  C a L L i G r A P h Y       CALLIGRAPHY IS BEAUTIFULLY FORMED LETTERING. The term applies to written text and illumination ( the de...

ASTEROIDS, COMETS, AND METEOROIDS  ASTEROIDS, COMETS, AND METEOROIDS  are all debris remaining from the nebula in which the solar sys...

CHEMICAL REACTIONS A CHEMICAL REACTION TAKES PLACE whenever bonds between atoms are broken or made. In each case atoms or groups of at...

KoOkAbURrA BirD The Kookaburra's rolling, laughing call is one of the best known-sounds in the animal World. The birds rai...

A i R The air we breathe has seventeen different gases. It is made up mostly of nitrogen, not Oxygen. Recently, human activities have ...