Weird Knowledge

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Across
  1. 3. A fact which can have doubts.
  2. 5. A school topic, there are three main parts, physics, chemistry and biology
  3. 6. Holds liquids
  4. 13. Opposition to the disestablishment of the Church of England. This word has 28 letters.
  5. 14. Something containing words which is read, either to inform or to entertain.
  6. 15. When it is not night - The sun is up.
  7. 16. The surname of a couple who did many scientific discoveries
  8. 17. A kind of mathematics involving formulae like SOH, CAH and TOA.
  9. 20. This fact is debated, but scientifically is the shape of the Earth.
  10. 21. This word is either a British band or a visual phenomena
Down
  1. 1. A building or facility that sells a unique kind of product for profit.
  2. 2. To make something which has already been made
  3. 4. A puzzle cube with 6 coloured sides, each colour side must be put together
  4. 7. Half of a 32nd note
  5. 8. A thought wanted by the person thinking of it.
  6. 9. Reverse a step
  7. 10. A very common liquid, this comes out of taps and we drink every day.
  8. 11. A book containing many facts about many topics
  9. 12. This word has 2 z's and is a genre of music
  10. 16. Produces milk and makes a mooing sound
  11. 18. The light which is reflected off of the moon.
  12. 19. The day that it is right now