science day

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Across
  1. 3. made from tiny rocks
  2. 5. divides the earth into 2 halves
  3. 11. used to move heavy things
  4. 12. reason why a bird can fly
  5. 15. light passing through spectacles
  6. 16. one half of the 24hours day cycle
  7. 18. light passing through a milky glass
  8. 19. when a tree blocks the light of the Sun
  9. 20. not clear
Down
  1. 1. part of earth lit by the Sun.
  2. 2. the bouncing of a ball
  3. 4. light passes through a window but is blocked by a curtain because it is______
  4. 6. a metal ball in water
  5. 7. given by the Sun that keeps us warm
  6. 8. Jupiter , Neptune , Pluto
  7. 9. given by the Sun that helps us see objects
  8. 10. a building upright in one position
  9. 13. the wool used to make sweaters
  10. 14. a wooden plank on water
  11. 17. where all of lifeform is found