coasts

13
Geography Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

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Page 1: Coasts

Geography

Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

Page 2: Coasts

Geography

• The coast is the place where the land meets the oceans and seas.

Page 3: Coasts

Geography

Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

Page 4: Coasts

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

Page 5: Coasts

Geography

Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

Page 6: Coasts

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

Page 7: Coasts

Geography

• oil sewage and chemicals from towns , cities and industries pollute the beaches and seawater.

Page 8: Coasts

Geography

Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

Page 9: Coasts

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

Page 10: Coasts

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.

Page 11: Coasts

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

Page 12: Coasts

Geography

Wave-cut platform Wave built terrace

large angular rocks rocks and pebblessoft sand

Page 13: Coasts

Geography

Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools