Science Class 6
Methods of Separation in Everyday Life
Six ways to pull a mixture apart, and why each one works.
10 lessons · ~48 min total
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Lessons in this topic
- 0 Start here Six everyday ways to pull a mixture apart. Each uses one real difference. · 3 min You are here
- 1 Why separate? We separate a mixture to keep what we want. Or we separate it to remove what we do not. Often both. · 5 min
- 2 Separating by size Sieving lets the small pass through and holds the big back. Size alone decides. · 5 min
- 3 Separating by weight Winnowing uses moving air on a real gap in heaviness. Grain falls close, husk blows far. · 5 min
- 4 Settling Left still, heavier bits sink on their own. Then the clear liquid on top can be poured off. · 5 min
- 5 Filtering A filter catches solid bits that are big enough. It cannot catch what has already dissolved. · 6 min
- 6 Getting it back Evaporating the water leaves the dissolved solid behind, completely — the amount matches. · 5 min
- 7 With a magnet A magnet pulls iron and steel. It does not pull sawdust. · 4 min
- 8 The big picture The whole chapter on one screen. · 3 min
- 9 Track quiz Cheat-sheet table plus a reveal quiz — one question per idea. · 7 min
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