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Lesson 4 — Separating Mixtures (You Choose)
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Sand, salt and iron filings are mixed together. Choose your first step and see where it leads.
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Separating Mixtures Path
You ChooseCambridgeCambridge framing: Separating Mixtures Path — plan a fair test, change one variable, and describe the pattern you find.
A mixture of sand, salt and iron filings is in front of you. What do you check first?
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