Click a tab to explore each mixture, then shine the torch to test the Tyndall Effect.
| Common Example | Milk / Fog / Smoke / Starch solution |
| Particle Size | 1 nm - 1000 nm |
| On Standing | Does not settle on standing |
| Filterability | Cannot be filtered by ordinary filter paper |
| Tyndall Effect | Shows Tyndall Effect (scatters light beam) |
A heterogeneous-looking but stable mixture. Particles are big enough to scatter light, which is why colloids show the Tyndall Effect.