Unit 4 Crossword

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Across
  1. 1. — a lack of enough food to eat
  2. 3. — materials people use to meet their needs
  3. 6. — the nutrients in food that help you grow and stay healthy
  4. 9. — the ability to get what you need
  5. 10. — the top layer of earth where plants grow
  6. 12. — the practice of growing crops and raising animals
  7. 15. — a variety of different plants and animals in an area
  8. 17. — grown without synthetic chemicals
  9. 18. — the way goods are shared or delivered
  10. 19. — to save and use carefully
Down
  1. 2. — fairness in access to resources and opportunities
  2. 4. — produced close to where it is used
  3. 5. — a resource that can be replaced naturally over time
  4. 7. — using resources wisely so they last a long time
  5. 8. — harmful substances added to the environment
  6. 11. — supplying water to crops to help them grow
  7. 13. — decayed food and plant waste used to enrich soil
  8. 14. — the natural world around us
  9. 16. — grown or available during a certain time of year
  10. 20. — a community of living and nonliving things working together