Geography

• What are Pelagic Fish?


  Fish that live in the open ocean.
• What are Demersal Fish?


  Fish that live and feed on or near the bottom of seas or lakes.
• what are Crustaceans?


  Crustaceans are a group of arthropods that are a part of the subphylum 
• Name 5 Attempts at regulating fish catches (reduce overfishing)1.

  Quotas 2. Fishing seasons 3. Size limits 4. Marine protected areas 5. Gear restrictions
• what is The Irish Conservation Zone?


  Marine protected area.
• what are Ireland’s main fishing ports?


  Killybegs, Castletownbere, Howth, Dunmore East.
• Freeze-Thaw is the break-up of rock by what?


   water continually seeps into cracks, freezes and expands, eventually breaking the rock apart.
• Freeze thaw action It occurs where there is what?


  when water freezes and expands causing cracks and fractures materials like rock and soil
• where is an example of freeze thaw action in Ireland?


  The Burren.
• What is chemical weathering?


  The breakdown of rocks and minerals through chemical reactions.
• what is an example of chemical weathering?


  Carbonation
• What is carbonation?


  The process of dissolving carbon dioxide gas in a liquid, creating bubbles and giving it a fizzy or bubbly texture.
• Chemical Weathering occurs when rocks decay or what because of a chemical change?


  Chemical change occurs when rocks decay or break down due to chemical change. these chemical changes can be caused by vapours like exposure to water or acids or other substances in the enviourment
• Chemical Weathering occurs when rocks decay or what because of a chemical change?


  Chemical change occurs when rocks decay or break down due to chemical change. these chemical changes can be caused by vapours like exposure to water or acids or other substances in the environment
• What is a non-resistant rock and is easily weathered?


  Limstone
• Whta is a karst landscape?


  Limestone landscape.
• what is grike?


  A grike is a deep fissure in a limestone pavement.
• what is a bedding plane?


  Boundary between two layers of rock.
• What is limestone pavement?


  Blocks of limestone that stand

  between grikes.
• What are joints?


  Joints and cracks are widened by

  carbonation to form deep gashes.
• What are clints?


  Vertical cracks in limestone rock.
• Name 3 metamorphic rocks?


  Marble, Slate, Schist
• Name 3 Sedimentary rocks?


  Limestone, Sandstone, Shale
• Name 3 igneous rocks?


  Granite, Basalt, Obsidian
• What is Stalagmite?


  Deposits of calcite which build up on the

  roof of cave to form icicle like shapes.
• what is Cavern?


  Enlarged cave which widens into a

  deep chamber.
• What is a Pillar?


  When stalactites and stalagmites join

  together and form a column shape.
• What is Stalactite?


  Deposits of calcite which build up on the

  roof of cave to form icicle like shapes.
• What is a Cave?


  Large tunnel cut out by carbonation

  from underground rivers.
• Name 5 parts of the Earths stucture?


  Inner core Outer Core Mantle and Crust
• What are the negative impacts of a volcanic erruption?


  Destruction such as floods, mudslides, power outages, water contamination and wildfires
• What is the earths crust?


  The outside layer of the earth, which is made up of solid rock,

  the oceans and continents lie on top of the crust.
• What is mantle?


  Mantle: The mantle lies under the crust, it is made of molten

  (melted) rock called magma. Magma is moved around by

  convection currents.
• What is the core?


  The core is the very centre of the Earth and it’s made up of iron

  and nickel. It is the hottest part of the earth and I around 6,000

  degrees celcius. The core can be divided into the inner and outer core.
• What are primary economic activites?


  Farming, fishing, mining.