cross word (science edition)

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Across
  1. 3. is the part of earth where life exist
  2. 5. is an organism that eats animals
  3. 7. are all the population of species that live in the same habitat and interact with each other
  4. 8. the planets,sun,moon,stars,and everything that exist in space
  5. 9. is a small body that orbits around a larger body
  6. 10. is a community of organism and their abiotic environment
  7. 15. can be summer rain or wind
  8. 17. either of the two times each year when there is an equal length of day and night
  9. 19. an object bigger than an asteroid orbiting a star
  10. 20. is a star,the star at the center of our solar system
Down
  1. 1. are the irregular shape rocks smaller than planet
  2. 2. is a group of billions of stars
  3. 4. is a celestical body that revolves around the planets
  4. 6. is a group of organsims of the same species that live in a specific geographical area
  5. 11. the point in the year at which the sun is farthest
  6. 12. is the capacity to do work
  7. 13. is the path the moon,planet,astroids and conets follow as they travel around the sun
  8. 14. are the rise an fall of ocean water
  9. 16. is an living organism
  10. 18. is the salt water covering aproximatly 75 percent of he earths surface