Physics · GCSE · Waves (Light & Sound)
Where electromagnetic waves come from, and their hazards
gcse-phys-6-6-2-3Free1:02Heddy Score 2 of 7, below the standardPlays from youtube-nocookie.com. No YouTube cookies until you press play.
What you need to know
- Electrons sit in energy levels at set distances from the nucleus.
- An electron can move to a higher level when the atom absorbs electromagnetic radiation.
- When it falls back to a lower level the atom gives out electromagnetic radiation.
In this clip
2:05–3:07Where electromagnetic waves come from, and their hazardsgcse-phys-6-6-2-3Heddy 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
Freesciencelessons lesson on atomic structure; only the closing section on electrons changing energy levels matches a map topic.
Freesciencelessons on YouTubechecked 2026-10-16