A metal casting workshop pours molten copper into a mold, where it solidifies and then cools to room temperature, as shown in the diagram below.

Describe, in terms of energy, how the arrangement and movement of atoms in the copper changes as it solidifies and cools.
Practise Edexcel GCSE Physics Heating, specific heat and latent heat with exam-style questions for Foundation and Higher tier. 81 questions, matched to the Edexcel GCSE Physics (1PH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.