Word fun!

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Across
  1. 3. A tall plant with a trunk and branches (4 letters)
  2. 4. Someone who helps you learn (7 letters)
  3. 7. A person who helps you when you are sick (6 letters)
  4. 8. Seven colours that appear in the sky after it rains (7 letters)
  5. 10. A common pet that barks (3 letters)
  6. 11. Something you eat to stay alive (4 letters)
  7. 12. A place where you can borrow books (7 letters)
  8. 14. Sounds that are sung or played on instruments (5 letters)
  9. 16. A device used to call or text people (5 letters)
  10. 17. A place where people live (5 letters)
  11. 18. A vehicle with four wheels (3 letters)
Down
  1. 1. Someone you like and spend time with (6 letters)
  2. 2. A piece of furniture you sit on (5 letters)
  3. 5. A place where people go to learn (6 letters)
  4. 6. An opening in a wall to let in light and air (6 letters)
  5. 9. A collection of pages with stories or information (4 letters)
  6. 11. It produces heat and light, often used for cooking (4 letters)
  7. 13. A two-wheeled vehicle you pedal to ride (7 letters)
  8. 15. An electronic device used for work or play (8 letters)
  9. 19. A red or green fruit that keeps the doctor away (5 letters)