Materials Technology

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Across
  1. 2. mineral from which metal is extracted
  2. 4. coated with zinc to prevent rusting
  3. 8. passing an electrical current through a liquid or solid in order to separate chemical compounds
  4. 11. force of attraction
  5. 12. it can be both electrical and thermal
  6. 13. using a lot of energy
  7. 15. an alloy of copper, zinc and, often, lead
Down
  1. 1. an alloy of copper and tin
  2. 3. a mixture of metals sometimes containing a non-metal, for example carbon in steel.
  3. 5. limited availability
  4. 6. waste material intended for recycling
  5. 7. collective term for small metal items commonly used in buildings.
  6. 9. small quantities
  7. 10. single strand of metal
  8. 14. can be recycled