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We investigated ice.  We tried different substances to melt the ice . Vinegar, table salt, coke and bicarbonate. Some worked better then others.  It was interesting to mix substances together and observe the reaction. We used food colouring to help us see the ice melting.  The colour helped us see the cracks appear.
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We used our knowledge to try and melt Elsa's frozen hands.  We used salt to melt them quickly.
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