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Glossary - Key Terms

Please find below a comprehensive glossary of key Geographical terms which can be used as a revision aid:

Glossary Categories


  • Agriculture

  • Coasts

  • Development

  • Ecosystems

  • Glaciers

  • Industry

  • Population

  • Rivers

  • Rocks & landscapes

  • Settlements

  • Tectonics

  • Tourism & Resources

  • Weather & Climate

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Glossary

The glossary is divided in topic sections for ease of use.

  • Agriculture
  • Coasts
  • Development
  • Ecosystems
  • Glaciers
  • Industry
  • Population
  • Rivers
  • Rocks & landscapes
  • Settlements
  • Tectonics
  • Tourism & Resources
  • Weather & Climate

Agriculture

This glossary provides teachers with definitions of key words and terms used in teaching agriculture.

Arable: growing crops.

Comercial Farming: farming for a profit. Can be arable, pastoral or mixed.

Extensive Farming: farms are large in comparison to the money injected into it or labour used on it.

Farm: system with inputs, throughputs (or processes), outputs and feedback.

Feedback: what is put back into the system, for example money.

Human/Cultural Inputs: money, labour and skills.

Intensive Farming: fairly small area of land, aim to have very high output, through massive inputs of capital and labour.

Negative Outputs: waste products and soil erosion.

Pastoral: rearing animals.

Physical Inputs: water, raw materials and land.

Positive Outputs: finished products, such as meat, milk, and money gained.

Processes/Throughputs: milking, harvesting and shearing.

Shifting Cultivation: farmers are nomadic, they move around the country using a piece of land for a while and then moving on.

Subsistence Farming: only produce enough to feed themselves and their family, without having any more to sell for profit.


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Coasts


This glossary provides teachers with definitions of key words and terms used in teaching coasts in geography.


Bars: ridge of sand that blocks off a bay or river mouth.

Beaches: created by constructive waves.

Constructive Waves: stronger swash than backwash, causing the beach to be built up by deposited material.

Destructive Waves: stronger backwash than swash, removes material from the beach.

Fetch: determines how powerful a wave may be. It is the distance that the wave has travelled.

Gabien Groynes: large steel mesh cages filled with large rocks.

Longshore Drift: material is moved along the coastline by the waves.

Rip Rap/Rock Armour: large boulders, used as a sea wall

Salt Marshes: material often accumulated in the area of standing water occurs behind a spit.

Sea Walls: aim to completely block waves and their effects. Often built in front of seaside resorts.

Sea-Level Change: caused by water freezing during the Ice Age.

Spits: long, narrow ridge of sand attached at one end to the coast.

Sub-Aerial Processes: impact of rainwater, wind and frost on the cliffs.

Tombolos: bar of deposited material linking the mainland to an island.

Waves: formed by wind blowing across surface of the water, creating ripples, which grow into waves.

Wooden Groynes: wooden fences built at right angles to coastline. Aim to stop movement of material along the beach


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Development


This glossary provides teachers with definitions of key words and terms used in teaching development in geography.


Adult Literacy: percentage of population who are literate.

Bottom-up Aid: small-scale aid projects without government interference.

Conditional Aid: given by donor country to a receptor country to finance projects in that country.

Diseases: bilharzia, cholera and malaria.

GNP: Gross National Product.

Gross National Product: looks at wealth of a country and compares it to others.

HDI: H uman D evelopment I ndex.

Infant Mortality Rate: no. of children who die before 1 years old, measured per 1000 born.

Interdependence: LEDC's and MEDC's rely on each other.

Life Expectancy: average age someone living in that country will live to.

Long-term Aid: aims to help the country in future.

Multilateral Aid: central international organisations such as World Bank and world health organisation.

Natural Hazards: earthquakes, volcanoes and floods.

Population per Doctor: total population ÷ no. of doctors in the country.

Short-term Aid: known as emergency aid.

The Brandt Report: "North-South: a programme for survival".

Top-down Aid: large-scale aid given to the government of the developing country.


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Ecosystems


This glossary provides teachers with definitions of key words and terms used in teaching ecosystems in geography.


Abiotic: elements that are non-living.

Biotic: elements that are living.

Coniferous (Boreal) Woodlands: coniferous trees are evergreens; they have leaves all year round and therefore can always photosynthesise

Consumers: organisms within the biotic element, which feed on other organisms.

Deciduous Woodland: deciduous trees drop their leaves in the autumn.

Deserts: soils are alkaline and are very dry with little humus.

Ecosystems: entire living communities of plants and animals.

Producers: organisms within the biotic element, convert sunlight into energy through the process of photosynthesis.

Tropical Rainforests: soils are called latsols. Boast a huge variety of vegetation and animal life.


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Glaciers


This glossary provides teachers with definitions of key words and terms used in teaching glaciers in geography.


Ablation: melting of ice, mainly during summer months.

Accumulation: build up of the glacier due to snow being compacted into ice.

Boulde Clay/Till: mixed angular material found on valley floor, deposited by the glacier as it melts. Made up of sand, stones and clay.

Calving: splitting of the end of the glacier into smaller sections.

Deposited Features: boulder clay/till, drumlins, erratics and moraines.

Drumlins: smooth mounds of deposited material formed parallel to the direction of the movement of the glacier.

Erosional Features: arĂȘtes, corries, glacier trough, hanging valleys, pyramid peaks, ribbon lakes, truncated spurs and U-shaped valleys.

Erratics: large boulders carried by the glacier and deposited in an area of differing rock type

Glaciers: originate from heavy snowfalls over a prolonged period of time.

Ice Sheets: large masses of ice, which cover an entire land surface.

Moraines: terminal moraine, lateral moraine, medial moraine, ground moraine and recessional moraine.

Negative Regime: rate of accumulation is less than rate of ablation; glacier will retreat.

Snout: lower end of the glacier.


Industry


This glossary provides teachers with definitions of key words and terms used in teaching industry in geography.


Agglomeration: concentration of different parts of the same industry in one area.

Brownfield Sites: reclaimed industrial or residential land that is cleared.

Capital: money invested in companies.

Communications: an all-encompassing word for all transport methods.

Footloose Industry: not tied to a location by its need for raw material.

Greenfield Sites: rural land, outside cities, cleared for industry.

Industrial System: inputs, throughputs/processes, outputs and feedback.

Labour: workforce.

Market: where the company will sell its product.

Primary Industries: produce raw material.

Quaternary Industries: research and development

Secondary Industries: manufacturing.

Tertiary Industries: provide services.


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Population


This glossary provides teachers with definitions of key words and terms used in teaching population in geography.


Birth Rate: number of births per 1000 people in the population per year in a country.

Death Rate: number of deaths per 1000 people in the population per year in a country.

Demographic Model: four-stage model of a country's population.

Emigration: migration of people out of a country.

En-route Factors: intervening obstacles that might hinder migration.

Immigration: migration of people into a country.

Migration: permanent or semi-permanent movement of people to live and work in another area or country.

Natural Increase: relationship between birth rate and death rate.

Population Density: describes the pattern of where people live in the world.

Population Growth: difference between (BR + immigration) and (DR + emigration).

Pull Factors: things that entice someone to a new place.

Push Factors: things encouraging someone to move from a place.

Rural to Urban Migration: movement of people from rural areas to urban areas.


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Rivers


This glossary provides teachers with definitions of key words and terms used in teaching rivers in geography.


Abrasion: erosion of river bottom and riverbank by material carried by the river.

Alluvial Deposits: deposited sand and silt.

Attrition: rocks and pebbles carried by the river crash against each other, becoming smaller, rounded pebbles.

Condensation: cooling of a gas so it changes into a liquid.

Corrosion: chemical erosion of rocks of the riverbank by the slightly acidic water.

Cross Profile: of a river looks at the shape of the river channel.

Delta: build up of sediment at the point where a river meets a sea or lake.

Drainage Basin: area of land drained by a river and its tributaries.

Estuary: point at which a river begins to meet the sea.

Evapo-transpiration: combination of evaporation and transpiration.

Flood Plain: area of alluvial deposits found beside the river in its lower course.

Flood/Storm Hydrogram: shows the discharge of a river.

Flooding: occurs due to a sudden increase into the amount of water travelling down a river.

Fluvial Processes: erosion, transportation and deposition.

Hydraulic Action: water forces air to be trapped and pressured into cracks in the rocks.

Hydrology: study of water.

Infiltration: downward movement of water that seeps into the soil or a porous rock.

Interlocking Spurs: river cuts deep V-shaped valleys in its upper course.

Levees: naturally formed banks along the sides of a river channel.

Long Profile: of a river looks at its full length.

Meanders: bends in the river. Faster water on the outside bend has cut into the bank, eroding it and creating a river cliff.

Mouth: end of the river where it meets the sea or a lake.

Overland Flow: when water flows over the surface of the ground.

Percolation: movement of water though the soil or underlying porous rock.

Precipitation: water falling to Earth in any form e.g. rain, sleet, hail, snow and dew.

River Profiles: long profile and cross profile.

River Regime: difference in the discharge of the river throughout the year.

Saltation: smaller rocks are bounced along the riverbed.

Solution: material is dissolved within the water and carried along by it.

Suspension: water carries smaller particles of material.

Throughflow: movement of water within the soil sideways, towards the river.

Traction: force of the water rolls rocks along the bottom of the river.

Transpiration: water loss from vegetation in to the atmosphere.

Tributaries: small rivers running into the main one.

Waterfalls: formed where a band of harder rock lies over a softer one.

Watershed: imaginary dividing line between neighouring drainage systems.


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Rocks and Landscapes


This glossary provides teachers with definitions of key words and terms used in teaching rocks & landscapes in Geography.


Chalk: called cretaceous limestone. An example of porous rock.

Clay: product of weathering and river erosion. Porous and becomes impermeable when wet.

Exfoliation: heating of outer layer of rock during day, causing expansion, at night rock contracts. Expanding and contracting leads to layers of rock pealing away.

Extrusive Rocks: formed by being thrown out during a volcanic eruption.

Freeze Thaw: water enters cracks in rock during day, overnight temperatures drop and water freezes, as it freezes it expands, cracking the rock.

Hydrolysis: dissolves and disintegrates rock.

Igneous Rocks: originate from magma in the mantle, can be extrusive or intrusive.

Intrusive Rocks: formed under the surface of the Earth.

Metamorphic Rocks: rocks that have changed in shape or form, by heat/pressure. Can be igneous/sedimentary rocks.

Sedimentary Rocks: small sediments accumulate on sea floors in layers and compress over millions of years.


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Settlements


This glossary provides teachers with definitions of key words and terms used in teaching settlements in Geography.


Aspect: direction in which the land faces.

CBD: Central Business District.

Confluence: point where 2 rivers join and flow together.

Dry Point Site: slightly raised from the surrounding area.

Function: describes main activities that occur in the settlement.

Greenbelts: prevent continued growth of cities of England and Scotland.

LEDCs: Less Economically Developed Countries.

MEDCs: More Economically Developed Countries.

Multi-functional: settlement that performs a range of different functions.

Range: maximum distance someone would travel to obtain that good or service.

Route Centres: called Nodal Points. Where two routes meet.

Rural-urban Fringe: land at the edge of an urban area.

Settlement: part of the urban hierarchy.

Shanty Towns: illegal squatter settlements.

Site: describes physical nature of settlement location.

Situation: description of settlement in relation to the other settlements and physical features around it.

Sphere of Influence: describes area served by a settlement, for a particular function.

Threshold Population: minimum number of people needed, to allow that shop/service to be successful.

Urban Hierarchy: pyramid shaped diagram.

Urban Model for LEDCs: Waugh's.

Urban Models MEDCs: Burgess's, Hoyt's and Harris & Ullmans.

Wet Point Site: has access to water, usually through being beside a river.


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Tectonics


This glossary provides teachers with definitions of key words and terms used in teaching tectonics in Geography.


Collision Plate Boundaries: two plates push into each other, force material into huge fold mountain ranges.

Conservative Plate Boundaries: cause earthquakes, can be fairly violent and frequent.

Constructive Plate Boundaries: cause volcanoes, earthquakes and mid-ocean ridges to form.

Convection Current: hot currents of molten rock, slowly move within the mantle, causes plates above to move.

Destructive Plate Boundaries: cause violent volcanoes and earthquakes, deep-ocean trenches and fold mountains.

Earthquakes: occur along faults, caused by the sudden jerking movements of the fault, either laterally or vertically.

Effects of Earthquake: primary effects or secondary effects.

Epicentre: point directly above the focus.

Focus: point at which an earthquake begins below the Earth's surface.

Fold Mountains Uses: farming, tourism, forestry, industry and hydroelectric power production

Mercalli Scale: measures damage caused by an earthquake.

Plate Types: oceanic (dense, thin) and continental (light but thick).

Richter Scale: measures magnitude of an earthquake using a seismograph.

Tetonic Plates: move due to convection currents in the mantle.

Vents: cracks in the crust where volcanoes take place.

Volcanic Cones: acid lava cones, composite cones and shield cones.

Volcanoes: molten rock (magma) is allowed to escape to the surface of the Earth


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Tourism & Resources


This glossary provides teachers with definitions of key words and terms used in teaching tourism & resources in Geography.


Ecotourism/Green Tourism: protects natural environments while allowing tourists.

Fossil Fuels: first group of non-renewable resources.

HEP: Hydro Electric Power.

Industrialised: countries more developed.

Minerals: other group of non-renewable resources, such as diamonds and iron ore.

Non-renewable Resources: eventually run out, finite.

Recycling: bottle banks, paper and tin recycling.

Renewable Resources: never run out, naturally/through good management.


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Weather & Climate


This glossary provides teachers with definitions of key words and terms used in teaching weather & climate in Geography.


Altitude: temperature falls the higher you are.

Anticyclones: areas of high pressure. Bring warm, stable conditions, with clear skies and lots of sunshine.

Carbon Dioxide: produced by power stations, vehicles, and animals breathing.

Climate: describes temperature, precipitation and other weather conditions of a certain area.

Climate Graphs: useful in comparing annual temperature and rainfall of places around the world.

Convectional Rainfall: occurs when warm land surfaces heats air above it, causing it to rise, cool and condense.

Depressions: areas of low pressure that bring clouds and rain to the UK.

Distance From Sea: sea takes longer to heat up but retains that heat far better than the land.

Droughts: below average rainfall for a period of time, causing water supplies to dry up and run out.

Frontal Rainfall: occurs when two air masses meet, with warmer air being forced to rise over cooler air. The rising air cools and condenses.

Global Warming: heating of the atmosphere due to release of greenhouse gases.

Latitude: lines of latitude are those that run horizontally around the world.

Ocean Currents: affect areas beside the sea. Can be either warm or cold currents.

Ozone: gas in the atmosphere that prevents harmful ultra-violet rays from affecting us.

Prevailing Winds: when travels over a warm surface will bring warm weather, if it travels over a cold surface will bring cold weather.

Rainfall: plotted on climate graphs as a bar chart, coloured blue.

Relief Rainfall: occurs when moist air reaches the coast and is forced to rise over mountains and hills. The rising air cools and condenses.

Temperature: plotted on the climate graph as a line graph, coloured red.

Tropical Storms: known as hurricanes, cyclones, typhoons, and willy willies.

Weather: describes day-to-day changes in temperature, wind and precipitation.


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