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How Waterfalls Retreat and Carve Deep Gorges (Parent Q&A)

This guide helps parents support learners aged 11 to 16 as they explain how waterfalls form, retreat upstream and leave gorges. Open Full Article...

How Waterfalls Retreat and Carve Deep Gorges (Teach This Topic)

This plan supports a guided lesson on how contrasting rock resistance, erosion and collapse can cause a waterfall to retreat upstream and leave a gorge. Open Full Article...

How Waterfalls Retreat and Carve Deep Gorges

A river’s upper course is often steep, so vertical erosion can shape its channel. Open Full Article...