Vocabulary

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Across
  1. 5. a chemical that is used to destroy animal pests
  2. 11. These are the beginnings of rivers, the uppermost streams in the river network farthest from the river’s endpoint or where it flows into another river. Changes that harm headwaters affect streams, lakes and rivers downstream.
  3. 13. a rocky or shallow part of a stream or river where the water flows brokenly.
  4. 17. our natural surroundings (the world of air, sea, land, animals and plants)
  5. 18. Sand and dirt that settle in the bottom of lakes, rivers and streams.
  6. 19. To eat into or eat away.
  7. 21. the relationship between all living things that makes the actions of each one affect all the others either directly or indirectly
  8. 22. an understanding that you are in control of your own behaviour and actions, an acceptance of the need to take action and respond to events
  9. 23. steps we can take to help repair the damage humans have done to the environment, restore the environment to a healthy state and prevent future damage
  10. 24. a tunnel carrying a stream or open drain under a road or railway.
  11. 26. a way of life that uses fewer natural resources, and makes less waste, so that humans and other living things can continue to live on planet Earth
  12. 27. natural home of an animal or plant
  13. 29. The cloudiness or haziness in a fluid caused by individual small particles (suspended solids).
  14. 31. Water found in the cracks and spaces in soil, sand and rock. It is stored in, and moves slowly through those materials. Groundwater is the water source for wells and springs. An estimated 50 percent of the water in small streams comes from groundwater.
  15. 33. a low dam built across a river to raise the level of water upstream or regulate its flow.
  16. 34. a chemical used to kill plants, especially weeds
  17. 36. To supply (land or crops) with water by means of pipes, sprinklers, ditches, or streams.
  18. 37. the effect that something or some action might have
Down
  1. 1. to protect from harm or loss
  2. 2. Water from rainfall that flows off rooftops, streets, parking lots and other paved surfaces.
  3. 3. A bacteria found in the waste of warm blooded mammals, its presence indicates untreated sewage or droppings from pets or wildlife.
  4. 4. Organisms lacking backbones and visible to the eye without a microscope.
  5. 6. The cloudiness or haziness in a fluid caused by individual small particles (suspended solids).
  6. 7. to keep supporting for a long period: to maintain strength and energy
  7. 8. items or materials in the environment that living things need to use to survive
  8. 9. something the pollutes or damages air, soil or water
  9. 10. a community in which plants, animals, microbes and the place where they live and interact with one another
  10. 12. a simple, non-flowering, and typically aquatic plant that has no roots
  11. 14. supplies or resources that are essential for life
  12. 15. to stop something from being harmed, to safeguard
  13. 16. to harm or injure
  14. 20. an animal lacking a backbone
  15. 25. a variety of life (bio means life)
  16. 28. harmful substances that humans have put in the environment
  17. 30. Act of returning something to its original condition by cleaning or repairing.
  18. 32. relating to wetlands adjacent to rivers and streams.
  19. 35. containing a poison or toxin