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100

All the waters on the earth´s surface, such as lakes and seas.

What is Hrdrosphere?

100

A mound or tapering collum rising from the floor of a cave, formed of calcium salts deposited by dripping water and often uniting with a stalactite.

What is Stalagmite?

100

A depression or dip in the earth's surface that drains in the river.

What is Basin?

100

A mound of sand that is formed by the wind, usually along the beach or desert.

What is Dune?

200

An area of low-lying land that is flooded in wet seasons or at high tide, and typically remains waterlogged at all times.

What is Marsh?

200

The arrangement of natural and artificial physical features of an area.

What is Topography?

200

Is made up of the earth where life exists.

What is Biosphere?

200

Sediments that have been deposited by a stream or river.

What is Fluvial?

300

The branch of physical geography that deals with mountains.

 What is Orography?

300

A mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system.

What is Tornado?

300

A cave or a chamber in a cave typically a large one.

What is Cavern?

300

A very strong breeze.

What is Gale?

400

Fog or haze that has combined with smoke and other atmospheric pollutants.

What is Smog?

400

A soft gentle breeze.

What is Zephyr?

400

A valley, a wide3 open area that stretches between hills.

What is Dale?

400

Pellets of frozen rain which fall in showers from cumuloinimbus clound.

What is Hail?

500

A tapering structure hanging like an icicle from the roof of a cave, formed of calcium salts deposited by dripping water.

What is Stalactite?

500

A natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, especially near the northern or southern magnetic pole. The effect is caused by the interaction of charged particles from the sun with atoms in the upper atmosphere. In northern and southern regions it is respectively called aurora borealis or Northern Lights and aurora australis or Southern Lights.

What is Aurora?

500

Water dropplets condensed from the atmosphere onto cool surfaces near the ground.

What is Dew?

500

Tempature at which water in the air condenses to form water dropplets on objects near the ground.

What is Dew-point?

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