Physical

Cards (48)

  • Abrasion is a form of erosion where loose material and sediment 'sandpapers' the walls and floors of the river, cliff or glacier.
  • Attrition is a process where rocks bang against each other, chipping away to make smaller, smoother rocks.
  • Backshore is the upper beach closest to the land, including any cliffs or sand dunes.
  • Beach Nourishment is the addition of sand and sediment to an eroding beach by humans.
  • The new material will be eroded by the sea which saves the cliffs or sand dunes from erosion and recession.
  • Biological Weathering is a process where rocks are broken apart by vegetation and roots, or chemical reactions from animal faeces erodes the rock face.
  • Corrasion is a form of mechanical erosion where material and sediment in the sea is flung at the cliff-face as waves break against it, this breaks up the rocks making up the cliff.
  • Chemical Weathering is a process where the weak acid in rainwater dissolves chemical compounds in the rock.
  • Drainage Basin is the area of land drained by a river and its tributaries.
  • Dredging is a process where rubbish and sediment are dug up from the bottom of the river.
  • Embankments are the banks of the river built up in brick and concrete, to increase the channel capacity.
  • Estuary is the point at where the river meets an ocean, often muddy or silty.
  • Fetch is the length of water over which the wind has travelled.
  • Floodplain is the low lying and wide floor of a river valley.
  • Floodplains are found in the lower course and tend to act as overspill for the river when its channel is full.
  • Floodplain Zoning is a process where houses and buildings are built relative to the river to reduce their risk of flooding.
  • Freeze Thaw is a form of physical sub-aerial weathering where water freezes in the cracks of a rock, expands and enlarges the crack.
  • Geology is the physical structure and arrangement of a rock.
  • The UK's landscape is diverse, with highlands and mountains, low-lying plains, and a varied relief due to geology.
  • Groyne is a form of hard-engineering, low-lying concrete or wooden walls, constructed perpendicular to the seafront and run out to sea.
  • Tough resistant rocks, such as granite, erode more slowly than softer resistance rocks, such as clay.
  • Mountainous regions are typically composed mainly of hard rock, while low-lying plains are typically composed of soft rock.
  • Hard Management is the use of concrete structures to reduce or halt the recession of a coastline, including: Groynes, Sea Walls, Rock Armour.
  • Past glacial activity has greatly shaped the UK's physical landscape, creating many valleys and lakes.
  • The UK has 32 rivers, with many major towns and cities located on the river banks.
  • The UK also has many coastal towns and cities, as the coast can be home to many tourist attractions and large industrial plants.
  • Salt Marsh is a type of wetland that builds up in sheltered bays or behind spits, with vegetation establishing and stabilising the marsh.
  • Thalweg is the path of fastest water flow in a river.
  • Hydraulic Action is the pressure of compressed air forced into cracks in a rock face, causing the rock to weaken and break apart.
  • Permeable refers to a rock that allows water to pass through it.
  • Mass Movement is where there is a large downhill movement of material usually from a cliff-face, often caused by gravity.
  • Lowlands are an area of land that has a small relief, so tends to be flat and at a low elevation.
  • Saltation is a form of transportation where smaller sediment bounces along the sea bed, pushed by currents, and is too heavy to be picked up by the flow of the water.
  • Impermeable refers to a rock that does not allow water to pass through it.
  • Levee is the banks of the river.
  • Mechanical Weathering, also known as physical weathering, is the breakdown of rocks due to forces, not chemical reactions.
  • Sea Wall is a hard-management coastal defense, where a concrete wall is built parallel to the seafront, to redirect the energy of waves away from sensitive cliffs or the edge of a coastal town.
  • Relief is the difference in the height of land for a particular region, with a large relief indicating a region has a large difference between the lowest and highest points.
  • Spit is a long depositional landform, formed from sand and shingle.
  • Highlands are an area of land that is at a high elevation and tends to have a larger relief.