Geography · GCSE · Maps & Place Knowledge
Constructive, destructive and conservative plate margins
gcse-geog-3-1-1-2bFree2:45Heddy Score 2 of 7, below the standardPlays from youtube-nocookie.com. No YouTube cookies until you press play.
What you need to know
- Composite volcanoes are steep cones of ash and sticky lava, found where plates meet.
- Shield volcanoes are broad and gently sloping, built from runny lava.
- The type of volcano depends on the kind of margin and the lava it produces.
In this clip
0:50–4:08Plate tectonics theory and where hazards happengcse-geog-3-1-1-2a4:08–6:53Constructive, destructive and conservative plate marginsgcse-geog-3-1-1-2bHeddy ScoreSeven checks every clip must pass before students see it: trusted, on the map, accurate, focused, accessible, safe, and proven by students.2/7, Below the standard
- 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 · not judged yet. 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
How the Heddy Score worksNot enough students yet
Our own students' answers. These are what move ★7 Proven.Why we picked it
Clear explainer of what volcanoes are, where they occur and the two main types; suits KS3 and GCSE.
ClickView on YouTubechecked 2026-10-16