Features of a river

Long River Profile (p102) The changes of the river over its course. Upper, middle and lower sections.

1. Land forms of erosion;Waterfall and Gorges

Waterfall video here

Turn to p 105

Waterfall & Gorge formation

1) Original river / waterfall

Waterfall & Gorge formation

2) Waterfall starts to erode

Waterfall & Gorge formation

3) Waterfall overhang

Waterfall & Gorge formation

4) Waterfall retreats

TASK:

• Use the play-doh to make a waterfall!

• Make sure that you label it clearly and EXPLAIN how it forms, (E.G. GRAVITY, OVERHANG, HYDRALIC ACTION)

• At the end of the lesson I’ll take photos of them to see which ones are best!

Homework

• Find a photo of a waterfall with a gorge and then label the different stages of its formation before STICKING IT INTO YOUR EXERCISE BOOKS!

Bingo

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