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Lesson 3
Mixtures and alloys
📖 Lesson
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🎯 Quiz — pick the translation
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✅ Lesson done
A mixture is when substances are together but not chemically bonded. Salt in water is a mixture — you can separate it again. An alloy is a metal mixture: bronze = copper + tin.
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Salt water
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Air — gas mixture
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Alloys
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Emulsion
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Rocks
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Foam
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Test yourself!
Quiz — pick the translation →
🖨 Worksheet
Practice the topic with the trainer — like after class