An area of rock underneath the surface of the Earth which absorbs and holds water.
Another word for farming. It includes both growing and harvesting crops and raising animals, or livestock.
Another word for crops, or (of land) used or suitable for growing crops.
The process of changing water from a gas to a liquid.
Plants that are grown on a large scale commercially, especially a cereal, fruit, or vegetable.
A long period of low rainfall, leading to a shortage of water.
Communities of living things together with the environment that they inhabit and depend on.
The process by which the surface of the earth is worn away by the action of water, glaciers, wind, waves, etc.
Changing from a liquid into a vapour.
Capable of producing abundant vegetation or crops.
Substances added to soil to help plants grow.
All the waters on the Earth's surface, such as lakes and seas.
Does not allow water to pass through.
The artificial watering of land that does not get enough rainfall.
Drain down through the soil.
A group of atoms bonded together.
allows fluid to pass through
Using natural resources without destroying the ecological balance of an area.
water cycle - also known as the hydrological cycle
Describes the exchange of water in every form between Earth's systems.
Part of a river or canal etc where water is taken for use in such things as irrigation of hydroelectrical generation.
Water in its gaseous state. Water that is heated turns from a liquid to a gas