Geography · KS3 Y8 · Rivers & Coasts
Coasts & erosion
Coasts & erosionFree2:30Heddy Score 3 of 7, below the standard
What you need to know
- Waves wear the coast away in four processes.
- Hydraulic action is the force of the water, and abrasion is sediment scraped and thrown against the rock.
- Attrition is rocks colliding and becoming smaller and rounder.
- Solution is seawater dissolving some kinds of rock.
Heddy ScoreSeven checks every clip must pass before students see it: trusted, on the map, accurate, focused, accessible, safe, and proven by students.3/7, Below the standard
See the seven stars
- Trusted source · passed. The creator's own upload, live and playable here.
- On the map · not judged yet. A teacher watched it: it mainly teaches this map topic.
- Spec-true · not judged yet. Accurate, and right for the current UK specification.
- Focused · passed. One idea, short enough to watch in one go.
- Accessible · passed. Good captions, clear sound and pictures.
- Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
- Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
Our students
Not enough students yet
Our own students' answers. These are what move ★7 Proven.On YouTube
How the Heddy Score works398K views · 1.96K likes · Time for Geography 1.98K subscribers
As reported by YouTube on 2026-11-01. Not part of the Heddy Score.Why we picked it
It names and separates the four marine erosion processes students are asked to recall.
Time for Geography on YouTubechecked 2026-10-18
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