How to use contours to identify glacial features OS Maps How to use contours to identify glacial features

Learning Objectives By the end of this cycle you will be able to: Identify features of glacial erosion from contour patterns Identify features of glacial erosion on an OS map

4 stage planning Connect Activate Demonstrate Consolidate Card matching exercise Activate PowerPoint Presentation Demonstrate Worksheet and map Consolidate Game of snap!

Glacial Features The features we will look at are: Corrie Tarn or Lochan U-Shaped Valley Arête Hanging Valley Ribbon Loch

Corrie with tarn or lochan

U-Shaped valley

Arete (mountian ridge)

Hanging Valley – a smaller valley joining the main valley.

Arete U-Shaped Valley Corrie with a tarn or lochan

Corrie corrie tarn

Arete arete arete

U-shaped Valley U-shaped valley U-shaped valley

Hanging Valley Hanging Valley

Ribbon Lake

Contour Patterns and Glaciated Features

Map question Give 4 figure grid references for each feature:- 1) Corrie (one with a lochan) 2) Arête 3) U-shaped valley 4) Hanging valley