Coasts
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Transcript of Coasts
Geography
Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
Geography
• The coast is the place where the land meets the oceans and seas.
Geography
Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
Geography
• The sea shore lies along the coast. Some sea shores are made of pebbles
Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
Geography
Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
Geography
• Sheltered parts of the coasts are used as ports for ships and fishing boats .
Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
Geography
• oil sewage and chemicals from towns , cities and industries pollute the beaches and seawater.
Geography
Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
Geography
• Oceans cover 70% of earth’s surface
• Coast is the narrow overlap between land and sea
• Waves and tides are used to divide the coast into zones
Geography
The force of the waves pushes air into cracks in the rock
The compressed air exerts enormous pressure at the tip of the crack. As the water falls back the air pressure is released and rock is pulled out from the crack further enlarging the hole.
Geography
Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
Joints and beds allowwaves to attack the cliff
more easily
Waves can use rocks to erode the cliff
Geography
Wave-cut platform Wave built terrace
large angular rocks rocks and pebblessoft sand
Geography
Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools