Glossary

Hi students. Here is the glossary for you to copy. Please use colors to write the concept!  :)


Hydrological cycle. It's the global circulation of water
Evaporation. Water converted into water vapour
Transpiration. Process by which water that is absorbed by plants, usually through the roots, is evaporated into the atmosphere
Condensation. It is the change of the physical state of matter from gaseous phase into liquid phase, and is the reverse of vaporization.
Precipitation is any type of water that forms in the Earth's atmosphere and then drops onto the surface of the Earth.
Overland Flow: When water flows over the surface of the ground.
Percolation: The movement of water through the soil or underlying porous rock. This water collects as groundwater.
Infiltration: The downward movement of water that seeps into the soil or a porous rock.
Tributaries: rivers running into the main one, that form part of the same drainage basin system.
Watershed: The imaginary dividing line between neighbouring drainage basins.
Drainage Basin:The area of land drained by a river and its tributaries.
Mouth: The end of the river, where it meets the sea, or a lake.


Flood. Whenever it rains and rains and rains, there's the danger of a flood, a type of disaster where water is out of control

Fresh water. water that is not salty especially when considered as a natural resource

Dam. A barrier constructed to contain the flow of water. Usually built to create a reservoirs to store water and maybe generate electricity.

Aquifer. an underground water supply

Water pollution refers to the contamination of water bodies such as rivers, oceans, lakes, and groundwater caused by human activities