1. Today Check out a Netbook Get on omsteamraiders.pbworks.com Science page Tuesday Website worksheet on Estuaries & Cape Fear Watershed Put questions and answers in Science Notebooks I will be calling up to tell you grades and missing assignments.

2. A new community settles in a remote area. The citizens hold a meeting to determine the first priorities for their community… what is the most important thing to do? WHY?

3. Reminders Homework due Friday Missing Coach book

4. Estuary When fresh & salt water met How do they not continue to mix? – Freshwater sits on top of salt water

5. Stewardship Taking care of the Earth So we will be a good stewardship of Ms. Myers’ room From here on out we will say the word Stewardship when we clean and take care of the room

6. Cleaning Up the Earth Can be expensive and difficult Preventing pollution is the easiest ways to protect our Earth – Do not litter, be aware of what you are doing to the Earth,

7. 2 types of pollution Point-source pollution Non-point source pollution

8. Point-source Pollution Pollution that comes from a single source Examples – Oil spolling from a supertanker into an ocean or river – Drainpipe spilling water into a river

9. Non-point source pollution Pollution that come from many places or an unidentified source Examples – Rain carries pollution – Fertilizers carried by runoff

10. Identify Next you will identify a situation as point source or non-point source

11. Damaged sewer pipes or systems

12. Chemical runoff from agricultural fields, golf courses, and lawns

13. Waste runoff from feedlots

14. Leaking underground oil tanks

15. Soil from farms

16. Release of heated water from power plants into streams

17. Switch partners

18. Release of raw sewage from wastewater treatment plants

19. Acid rain

20. Mercury pollution from coal- burning power plants

21. Release of chemicals from papermills into streams

22. Salts from irrigation of farm fields

23. Release of dishwasher or sewage from homes directly into streams

24. Sand, grit, oil, and gasoline from city and suburban streets

25. Answers

26. Damaged sewer pipes or systems Point

27. Chemical runoff from agricultural fields, golf courses, and lawns Non-Point

28. Waste runoff from feedlots Non-point

29. Leaking underground oil tanks point

30. Soil from farms Non-point

31. Release of heated water from power plants or factories into streams Point

32. Release of raw sewage from wastewater treatment plants point

33. Acid rain Non-point

34. Mercury pollution from coal- burning power plants Non-point

35. Release of chemicals from papermills into streams point

36. Salts from irrigation of farm fields Non-point

37. Release of dishwasher or sewage from homes directly into streams point

38. Sand, grit, oil, and gasoline from city and suburban streets Non-point

39. Pollution of Oceans Eventually flows to the ocean Your are not allowed to dump in the oceans.

40. Pollution of Groundwater Rain  into soil (with pollution)  Groundwater  aquifer= Water source polluted

41. Estuaries Freshwater from a river meets and mixes with salt water from the ocean AKA: bays, harbors, lagoons, or sounds.

42. Tides Freshwater flows down Rising tides push ocean water into river – High tide, the salt water further up stream. – Low tide, saltwater is pushed farther downstream by the river water. Therefore, the SALINITY changes throughout the day as the tide rises and falls.

44. Organisms Can tolerate the fresh and saltwater Sea grasses and marsh grasses grow in and along the edge of the water. Grasses and other plants provide food & shelter for other organisms Fish, crab, clams, and other shellfish live well in these conditions Estuaries are nurseries for many animals, including some ocean animals that swim to estuaries to breed

45. Estuaries Estuaries are protected from ocean waves by land features. – Barrier islands, reeds, or sand spits.

46. A family living in a house needs to dig a new well before they will have usable water. Which location would be the best choice for the new well?

47. Water Laws The Clean Water Act was passed in 1972. – Goal: “the protection of fish, shellfish, and wildlife and recreation in and on the water. “ Pays for wastewater treatment

48. Water Laws The Safe Drinking Water Act 1974. – Set standards for the quality of drinking water – Test and evaluate drinking water

49. Other Laws U.S. Marine Protection, Research, and Sanctuaries Act – 1972. NO Dumping in water

50. Water Quality