History and Technology

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Across
  1. 3. Gradually become bad or weak or be destroyed, often because of natural causes, such as bacteria or age
  2. 6. An extra amount or part added to something
  3. 9. The quality of being not very good
  4. 11. The speed at which something happens
  5. 13. A buildning or other structure from a very long time ago
  6. 15. When you do or make something which behaves or looks like something real
  7. 17. Arranged in the order in which events happened
  8. 18. The study of the characteristics of people in particular area
  9. 20. To cause something to exist
  10. 22. A town or village that people built to live in after arriving from somewhere else
  11. 24. To allow something to be seen that, until then, had been hidden
Down
  1. 1. The parts of ancient societies that are left, usually in the ground
  2. 2. A type of large elephant with hair and tusks that no longer exists
  3. 4. Clearly having only one meaning
  4. 5. To change something in order to improve it
  5. 7. Someone who studies fossils
  6. 8. A small piece of something bigger
  7. 10. A person or thing that is famous it represents a particular idea or way of life
  8. 12. A particular or special way of doing something
  9. 14. A place where a dead person is burried
  10. 16. To be one of the first people to do something
  11. 19. Realting to the period in Europe between about AD 500 and 1500
  12. 21. A very old thing from the past
  13. 23. Most important idea or characteric or idea of something