Mocks Flashcards
Tell me about convection currents
When magma is heated in the mantle, it rises towards the crust. As it rises it cools and moves sideways. This causes friction between the magma and the crust and pulls the plates. The magma cools and sinks back down into the mantle. This process is constantly repeated.
Why are volcanoes found in Iceland?
Mountains on the seabed form when two constructive plates pull away from each other. Hot magma rise up and cools. When magma wells up through the cracks in the crust it sometimes rise above the surface of the ocean. These mountains are called volcanic islands. An example is the mid Atlantic Ridge, Iceland and the two plates here are the urasion and north American.
Tell me about the formation of limestone
The limestone in Ireland was formed around 350 years ago under sea when Ireland was located close to the equator. It is made from the components of shells and fossils of animals. The weight of the upper layers compress and cement them together to form strata. This then formed limestone.
Limestone it is grey in colour and is course grained. This is found in the Burnn in County Clare
Name two inputs of a dairy farm
Cows and machinery
Name two processes of a dairy farm
Ploughing and milking
Name two outputs of a dairy farm
Milk and waste
What is regolith
Weathering and erosion produce loose material called regolith Mass movement is when regolith moves down a slope due to gravity.
What landscape influences the development of agriculture?
Fertile land to grow crops
Flat land to develop on
Land near lakes rivers and seas as it is very fertile and is a source of water
What is a depression?
This is ascending and due to this temperature is fall. There is low atmospheric pressure and winds blow air in an anticlockwise direction. Isobars are close together indicating that there are strong winds. It brings cloudy skies and wet weather.
What is the impact of climate change?
Due to climate change the glacier are melting. This means that polar bears lose their homes. It also means that there is rising sea levels. This affects settlement near rivers as houses get flooded more often.
Weather problems will become more extreme and we will experience more storms or droughts
Temperatures will continue to increase destroying plants and crops
What is a rain gauge
Precipitation is any form of liquid or solid water particles that fall from the atmosphere and reach the surface of the Earth. It includes rain, snow, sleet, hail and drizzle. A rain gauge is used to measure the amount of rainfall. A measuring cylinder with a funnel on top is placed in an open area, not sheltered by buildings and trees, in order to ensure an accurate reading. The rain falls through a funnel into the cylinder, which is marked in millimetres. When the cylinder is removed, the amount of rain that has fallen can be recorded The unit of measurement of rainfall is millimetres.
What is urban sprawl
Urban sprawl is the rapid spread of housing from the cities outwards into the countryside. As a result of this, valuable farmland and green open spaces are taken over by roads and houses. Smaller villages and towns become absorbed by the city, putting pressure on services such as water supply and sewage.
What is the impact of traffic congestion and how can we reduce it?
Due to people moving within an urban area traffic congestion occurs. This happens every time during rush-hour. Rush-hour is the time when most cars are out in the morning going to work and school drop-off and in the evening. We can improve this by having more quality bus corridors. This gets rid of some traffic and releases less gases into the atmosphere, e.g. CO2. You can also have bypasses around major towns to reduce the amount of cars going in.
Why would a shop located at the edge of a town
A shop will locate at the edge of a town as the land is cheaper here and they also have room to expand if needed
What are warm fronts
One front bring light rain and are formed when warm air rises over a mass of cold air
