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The image on the right shows some melted wax at 80°C. The melting point of this wax is 64°C. The wax is cooling down: what will be the temperature when it turns back to solid?
Click on the temperature scale to check your prediction.

Notes: see Teachers’ Guide
teachers’ guide a3

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a1: melting
a2: freezing
a3: lead and salt
a4: substances

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