Unit 7 Science Crossword

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Across
  1. 4. the process of planning, scheduling, and allocating resources to achieve specific goals or objectives
  2. 7. harmful substances in the soil
  3. 9. the invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen.
  4. 12. an energy resource that can be reused and doesn’t deplete fast
  5. 13. where the body does not receive the nutrients it needs for proper functioning
Down
  1. 1. prevention of wasteful use of a resource.
  2. 2. an energy resource that is limited and cannot be replaced
  3. 3. harmful substances contaminate streams, rivers, oceans, or any water.
  4. 5. any material or system that can provide energy
  5. 6. the situation where households lack access to energy to meet basic needs
  6. 8. doing things with little waste and effort
  7. 10. harmful substances in the atmosphere, including gases, particles, and other chemicals that can negatively impact human health and the environment
  8. 11. the upper layer of earth in which plants grow, typically consisting of a mixture of organic remains, clay, and rock particles.