Soil

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Across
  1. 5. a substance with a pH above 7.0
  2. 7. the place where a population lives and its surroundings
  3. 8. MyPlate a diagram showing recommended healthy food groups
  4. 10. decayed organic matter broken down into soil nutrients
  5. 14. essential chemical elements needed for plant growth
  6. 18. a substance with a pH below 7.0
  7. 19. essential elements needed in large amounts for plant growth
  8. 20. the top layer of Earth where plants grow
Down
  1. 1. green pigment in plants that captures sunlight for food production
  2. 2. separating plant nutrients from soil by dissolving them
  3. 3. the breakdown of rocks into smaller particles and minerals
  4. 4. a community of living organisms interacting with their environment
  5. 6. highly decomposed organic matter rich in nutrients
  6. 9. a measure of land area equal to 43,560 square feet
  7. 11. matter remains of plants and animals in soil
  8. 12. the upper layer of soil rich in organic matter
  9. 13. tiny living organisms visible only under a microscope
  10. 15. food crops grown for horses or cattle
  11. 16. a substance with a pH above 7.0
  12. 17. a substance with a pH of 7.0