Across
- 2. containing a poison or toxin
- 4. to keep supporting for a long period: to maintain strength and energy
- 10. Organisms lacking backbones and visible to the eye without a microscope.
- 11. a rocky or shallow part of a stream or river where the water flows brokenly.
- 13. the effect that something or some action might have
- 15. a chemical used to kill plants, especially weeds
- 16. A bacteria found in the waste of warm blooded mammals, its presence indicates untreated sewage or droppings from pets or wildlife.
- 20. 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
- 21. items or materials in the environment that living things need to use to survive
- 23. the relationship between all living things that makes the actions of each one affect all the others either directly or indirectly
- 24. our natural surroundings (the world of air, sea, land, animals and plants)
- 26. a low dam built across a river to raise the level of water upstream or regulate its flow.
- 27. harmful substances that humans have put in the environment
- 30. The cloudiness or haziness in a fluid caused by individual small particles (suspended solids).
- 31. 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
- 32. Act of returning something to its original condition by cleaning or repairing.
- 33. To supply (land or crops) with water by means of pipes, sprinklers, ditches, or streams.
- 34. a simple, non-flowering, and typically aquatic plant that has no roots
- 35. to protect from harm or loss
Down
- 1. something the pollutes or damages air, soil or water
- 3. to harm or injure
- 5. an animal lacking a backbone
- 6. Water from rainfall that flows off rooftops, streets, parking lots and other paved surfaces.
- 7. 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
- 8. The cloudiness or haziness in a fluid caused by individual small particles (suspended solids).
- 9. a variety of life (bio means life)
- 12. supplies or resources that are essential for life
- 14. to stop something from being harmed, to safeguard
- 17. a tunnel carrying a stream or open drain under a road or railway.
- 18. a chemical that is used to destroy animal pests
- 19. Sand and dirt that settle in the bottom of lakes, rivers and streams.
- 21. relating to wetlands adjacent to rivers and streams.
- 22. 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.
- 25. a community in which plants, animals, microbes and the place where they live and interact with one another
- 28. 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.
- 29. natural home of an animal or plant
- 36. To eat into or eat away.