Science Crossword Puzzle (10 points)

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Across
  1. 2. light and heat from the sun that is collected with technology to make electricity
  2. 4. a process for an experiment with a specific set of steps
  3. 7. a section of biology that studies the relationships between living organisms
  4. 11. when both allele frequencies and genotype remain constant from one generation to the next
  5. 12. maintaining the needs of the present, while making sure people in the future have enough to satisfy their needs
  6. 13. the biogeochemical process where nitrogen is converted into many forms passing through the atmosphere, the soil, organisms, and back to the atmosphere
  7. 15. the ability to move, or do work
Down
  1. 1. essentially the water cycle
  2. 3. how trade and interaction connects the world
  3. 5. the process of turning water into gas
  4. 6. organisms that make their own food
  5. 8. the arrangement of soil horizons in soil.
  6. 9. the condensation of atmospheric water vapor that falls from clouds
  7. 10. the process where deep cold water rises to the surface
  8. 14. an organism that does not produce its own food, so it eats other plants and animals