3rd graders easy puzzle

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Across
  1. 3. it reveals beautiful feathers to attract females
  2. 6. a bright season were everything starts blooming
  3. 8. a picture of yourself
  4. 11. an underwater animal that stings
  5. 12. a key code to unlock something
  6. 13. a large grey animal
  7. 15. a pledge to do or not to do something
  8. 18. a hairy tropical fruit
  9. 19. it's not usually this weather in England
  10. 20. a very sparkly substance used for crafts
Down
  1. 1. this grows on moist patches of land
  2. 2. a gaming console
  3. 4. pretty and sparkly rocks
  4. 5. the largest planet in our solar system
  5. 7. a polite way to ask to have something
  6. 8. sometimes it can be venomous
  7. 9. you wear these everyday
  8. 10. an outdoor toy that is very bouncy
  9. 14. your small finger
  10. 15. this can grow on land and in pots
  11. 16. our waste that comes out
  12. 17. wonderful voices you might hear this on a radio
  13. 21. to jog or sprint