Year 8 Crossword Challenge!

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Across
  1. 1. name of spacecraft that took the first man to moon (8)
  2. 4. type of power that the energy in moving water to make electricity (13)
  3. 6. surname of the founder of Amazon (5)
  4. 7. surname of actor in Die Hard series (6)
  5. 8. disease you might get if you pancreas does not make enough insulin (8)
  6. 14. the name given to building as high and as quickly as possible in Fortnite (8)
  7. 15. saving this animal might help you write a novel (3)
  8. 17. a rotating axle that carriers power from the pistons in an engine to the gearbox (10)
  9. 19. in the Battle of Somme (World War 1) how many miles of ground was gained by the allies (5)
  10. 20. vote held to settle major issues, such s creating new laws (10)
  11. 22. American children pledge alliance to this, every morning at school (4)
Down
  1. 2. when a company tries to save money by employing a separate company who will work for less money (11)
  2. 3. the first philosopher to put 'being', 'knowing' and 'acting' into one coherent system (5)
  3. 5. times Brazil has won the world cup (4)
  4. 6. surname of first wife of Henry VIII to be beheaded for treason (6)
  5. 9. a thing that moves around or reacts with something in a Scratch project (6)
  6. 10. type of snake that squeezes it's prey to death (8)
  7. 11. manga villain who thrives on war and leads armies (7)
  8. 12. type of tooth good for gripping and tearing food (6)
  9. 13. comets are frozen balls of ice and what else? (4)
  10. 16. a group of classical musicians led by a conductor (9)
  11. 18. movement against sexual harassment and assault (6)
  12. 21. painter of 'The Persistence of Memory' featuring melted clocks (4)