Early Inventions

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Across
  1. 4. A situation where something needed cannot be obtained in the amounts needed.
  2. 7. Great or important to be worthy of attention.
  3. 8. To make from nothing or bring something into existence.
  4. 9. To be able to withstand fire or great heat.
  5. 11. Using science and knowledge to practical use.
  6. 12. A thing that was thought of, and made, typically a device or product.
Down
  1. 1. Similar in every detail
  2. 2. To work or operate in a certain way.
  3. 3. A thing made or adapted for a articular purpose, especially a technology product.
  4. 5. A special agreement from the government that gives the inventor sole rights of ownership. No one else is allowed to make or copy.
  5. 6. A serious, unexpected event, usually needing attention straight away.
  6. 10. A thought that gives aim or purpose.