YEAR 8 Yearly Examination Flashcards
Catchment
Area of land where rainfall/precipitation flows to a lower elevation, such as a river, lake or ocean; also referred to as a drainage basin.
Precipitaiton
Process whereby the suspended droplets in the atmosphere fall as rain, hail, sleet or snow.
Synoptic chart
Weather map showing atmospheric conditions at a certain place at a certain time. Used to predict short-term weather.
Climate
Long-term record of atmospheric conditions, such as precipitation and temperature.
Water cycle
Continuous movement of water on Earth.
Evaporation
Moisture lost to the atmosphere from open water bodies.
Aquifer
Rocks and sediments that contain groundwater.
Orographic rainfall
When winds push moist air over mountains, condensation and precipitation occur on the windward side.
Runoff
When some precipitation remains in the surface and feeds into streams, rivers, wetlands and lakes.
Groundwater
Water stored beneath the Earth’s surface.
Weather
Short-term changes in atmospheric conditions.
Artesian Basin
Groundwater confined and pressurised within an aquifer.
Renewable
Replenished in a relatively short period of time.
Environmental resources
Resources occurring naturally within environments: atmosphere (air), lithosphere (land, soil and minerals), hydrosphere (rivers and oceans) and biosphere (plants and animals).
Sustainability
Balancing social, economic and environmental needs for current and future generations.
Trade
The action of buying and selling goods and services.
Free trade
The international trade left to its natural course without tariffs, quotas or other restrictions.
Tariffs
A tax or duty to be paid on a particular class of imports or exports.
Subsidies
A sum of money granted by the state or a public body to help an industry or business keep the price of a commodity or service low.
Import
Bring (goods or services) into a country from abroad for sale.
Export
Send (goods or services) to another country for sale.
Features of a climate graph
Temperature shown by red line, temperature scale on the left hand side.
Months of the year at the bottom.
Precipitation scale on the right hand side, precipitation is shown by blue columns.