Energy

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Across
  1. 1. Parts of an object moving in opposite directions.
  2. 5. Materials we use to produce energy.
  3. 7. The equal and opposite force in an interaction.
  4. 9. Temporary change in shape (like a rubber band stretching).
  5. 11. A force applied by a person or object.
  6. 12. A force that twists an object.
  7. 14. Resources that can be replaced in a human lifetime.
  8. 15. A force caused by stretched elastics or springs.
  9. 17. A force that squeezes or compacts an object.
  10. 18. The world around us—land, air, water, organisms.
  11. 20. How easy a resource is to reach and collect.
  12. 21. The opposite of temporary change; the object stays bent.
  13. 22. Resources that cannot be replaced quickly.
Down
  1. 2. Getting land back to its original state after extraction.
  2. 3. A force that resists motion when two surfaces rub.
  3. 4. The initial direction of a push or pull in an interaction.
  4. 6. When a resource can be used in its natural form.
  5. 8. Considering nature, cost, and society when choosing a resource.
  6. 10. Energy made by processing many resources.
  7. 13. When a resource is changed before being used.
  8. 16. A pulling force through a rope or string.
  9. 19. Forces that act inside an object.