Water Cycle
Natural Disaster
Earth's Sphere
100
what is perciptation
the action or process of precipitating a substance from a solution.
100
what is an earthquake
An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.
100
what is atmosphere
the envelope of gases surrounding the earth or another planet.
200
what is run-off
the draining away of water (or substances carried in it) from the surface of an area of land, a building or structure, etc.
200
what is a tornado
A tornado is a rapidly rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud
200
what is Geosphere
any of the almost spherical concentric regions of matter that make up the earth and its atmosphere, as the lithosphere and hydrosphere.
300
what is condensation
the conversion of a vapor or gas to a liquid.
300
what is a hurricane
A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain or squalls.
300
what is Biosphere
the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
400
what is evaporation
the process of turning from liquid into vapor.
400
what is a wildfire
A wildfire, wildland fire or rural fire is an uncontrolled fire in an area of combustible vegetation occurring in rural areas
400
what is Hydrosphere
all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
500
what is an aquifer
a body of permeable rock which can contain or transmit groundwater.
500
what is a tusnami
A tsunami is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Earthquakes, volcanic eruptions and other underwater explosions above or below water all have the potential to generate a tsunami.
500
what is nitorgen
he chemical element of atomic number 7, a colorless, odorless unreactive gas that forms about 78 percent of the earth's atmosphere. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant.