Using Earth's resources Flashcards
Aquifer
A natural underground rock structure which holds groundwater.
Water stress
Where a country or area cannot meet its demand for fresh water.
Water surplus
Where a country or area exceeds its demand for fresh water.
Renewable resource
A resource we can make use of, that will not run out .
Non-renewable resource / Finite resource
A resource that is limited, and could run out one day.
Natural resource
It occurs naturally in the environment, and we can make use out of it.
Food security
People have access, at all times, to enough safe and nutritious food for a healthy and active life.
Food bank
A place which gives out free (donated) food to people who need it.
Fossil fuel
Coal, oil, and natural gas
Fossil water
Groundwater that has been sealed into aquifers for thousands or millions of years, by changes in the surrounding rock.
Mass extinction
When a large number of species die of over a quite short period of time; for example because of an ige age.
Biodiversity
The variety of living things in a place.
Biomass
Plant or animal material used as fuel; for example, wood and waste from farms.
Hydroelectricity
Electricity generated when flowing water spins a turbine.
Solar power
Electricity generated from sunlight, using Photovoltaic (PV) cells.