Jonklers puzzle

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Across
  1. 1. A period of seven days
  2. 2. A person whose profession is doing acts on stage
  3. 4. A musical performance given in public
  4. 6. A feast held in the morning
  5. 7. A cold and tall object which has food stored in it
  6. 9. An individual or collaborative work
  7. 10. The brother of ones father or mother
  8. 12. A situation regarded as unhelpful or harmfum
  9. 14. An indoor venue for sports and exercise
  10. 16. Water Droplets falling from the sky
  11. 17. Footwear
  12. 18. The brightest and closest star to the Earth
Down
  1. 1. Something cruial needed for a humans survival
  2. 2. A writer of a book, article or document
  3. 3. A speech or talk explained to audience
  4. 5. A week time off to a desired place
  5. 8. People between the ages of 13 and 19 years old
  6. 11. A device similar to a computer but smaller and easier to carry
  7. 13. A person who plays music; sings
  8. 15. A building of historical objects