Physics · KS3 Y9 · Matter & Particles

Gas pressure: particles hitting walls

Gas pressure: particles hitting wallsFree0:33Heddy Score 3 of 7, below the standard
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What you need to know

  • Gas pressure is caused by gas particles colliding with the walls of their container.
  • Adding more gas, reducing the volume or raising the temperature all increase the pressure.
  • Hotter particles move faster, so they hit the walls more often and harder.

In this clip

Runs 0:33, from 5:21 to 5:54 of the full video.

Also coversStopping distance
Heddy Score3/7, 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.
★ passed · ☆ pending · ✕ failed
Our students

Not enough students yet

Our own students' answers. These are what move ★7 Proven.
On YouTube

72.7K views · 1.21K likes · Science Shorts 369K subscribers

As reported by YouTube on 2026-11-02. Not part of the Heddy Score.
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Why we picked it

A fast revision summary whose stopping-distance section explains clearly why braking distance grows with the square of speed.

Science Shorts on YouTubechecked 2026-10-22

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