Local wind systems influence the weather pattern where ever they blow. Some important local winds are: Mountain and Valley Breezes Land and Sea Breezes Berg Location :…

How Moon was formed? In a cataclysmic event some 60-175 million years after the birth of the solar system 4.5 billion years ago, a Mars-sized planet called…

A volcano is an opening in the earth’s crust through which magma, gases and ash are released to the earth’s surface. The molten rock material found in…

Rock is the solid mineral material forming the surface of the earth. Petrology is the science of rocks. The age of the rock is determined based on…

What are Jet streams? Jet streams are narrow bands of strong meandering wind that generally blow from west to east all across the globe. Jet streams are…

Swells are collections of waves produced by storm winds ranging hundreds of miles out to sea. In other words, a swell in the context of an ocean, sea…

The cryosphere is those portions of Earth’s surface where water is in solid form. It includes sea ice, lake ice, river ice, snow cover, glaciers, ice caps,…

Water vapour present in the air is known as humidity. It is expressed quantitatively in different ways. The air containing moisture to its full capacity at a…

The amount of water vapour in the atmosphere is added or withdrawn due to evaporation and condensation respectively. Evaporation Evaporation is a process by which water is…