Coasts: Cliffs and Shore Platforms

3,180 views
2,899 views

Published on

'O' level Geography

Published in: Education, Travel, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
3,180
On SlideShare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
9
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Coasts: Cliffs and Shore Platforms

  1. 1. Whats expected for today1. Explain the formation of a coastal cliff with: Diagram/s + explanation in complete sentences 80% accuracy2. Predict what landform would be created if a cliff keeps retreating inland.
  2. 2. Explain how this cliff is formed using diagrams and complete sentences (10min). Hunstanton, Norfolk From tournorfolk.com.uk
  3. 3. Cliff: lets review (use a different ink color)Diagram/s: Fig. 7.13A-C on textbook p. 142 is acceptable. You must have:  Labeled the diagram/s: “Figure 1: Formation of a coastal cliff”  Labeled all features: land, sea, high tide, low tide, notch/cave, overhang/roof, sediments, cliff  Draw dotted lines showing the previous state of the rock face
  4. 4. Cliffs: lets reviewWritten explanations should REFER to the diagrams, using phrases such as: “Figure 1 shows...” “In Figure 1...” “Looking at Figure 1” “With reference to Figure 1”
  5. 5. Cliff: lets reviewExplanations must be  Gradually, these lines written in complete enlarge to form a sentences using notch at the foot of the rock face. these key phrases and concepts:  As the waves continues to undercut  Repeatedly the rock, the pounding waves overhang/roof of the causes lines of cave collapses, weakness to form on forming a steep cliff. the rock face.
  6. 6. Predict... (5min)If the cliff continues to recede inland, how would the coast look like? Answer by drawing a diagram and writing in point form.
  7. 7. Shore platform: lets find outExplanations must be  Waves during the high written in complete tide deposit sentences using these sediments on this surface after losing key phrases and energy from friction concepts: with the shallow  Further erosion causes surface. the cliff to  This surface is only recede/retreat inland. exposed during the  Eventually, a gently low tide and is the sloping/flat surface shore platform. may form at the foot of the cliff.
  8. 8. Reflection (5min)Answer this question in your Geography journal: Is the shore platform formed by erosion or deposition? Why do you say so?

×