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Lake Erie Literacy Principle 2
Natural forces formed and continue to shape Lake Erie and its watershed.
This Lake Erie Literacy Principle is aligned with the National Science Education Standards. Go there now
a
Many of the geological features underlying Lake Erie and its watershed originated when shallow tropical salt water seas covered the region. Large salt deposits below the lakebed are remnants of these seas. Many of the rocks now exposed on land were deposited or shaped during the advance and retreat of glaciers that carved the bed of Lake Erie.
- Rocks found in Lake Erie and its watershed include shale, sandstone, limestone, till and bolder clay.
b
During the Ice Age, mile-thick sheets of ice covered what is now Lake Erie and northern Ohio multiple times depressing the crust with their weight. Since the glaciers retreated (more than 10,000 years ago), Earth’s crust has been adjusting upward in a process of isostatic rebound that continues today.
c
Lake level changes influence the physical features of Lake Erie’s coast. Lake water levels vary over periods ranging from hours to millennia. Ancient beach ridges found in the watershed miles from the current water’s edge mark previous lake shores. The difference between the yearly low and high water levels averages 1 to 2 feet.
- Lake Erie water levels have been recorded by reference gage records beginning about 1860 with sporadic records back to the early 1800's. These water level records, collected and archived by NOAA's National Ocean Service, show daily, seasonal, annual and multi-year level changes and patterns. (see www.glerl.noaa.gov/data/now/wlevels/lowlevels/plot/Erie.gif)
d
Erosion - the wearing away of rock, soil and other earth materials - occurs in coastal areas as wind, waves, river flow and currents in Lake Erie move sediments.
e
Sediments are a product of erosion and consist of fragments of animals, plants, rocks and minerals. Sediments are classified by grain sizes, from silt and clay to sand, cobbles and boulders. Sediments are seasonally redistributed by waves and coastal currents, nourishing beaches and coastal wetlands.
f
Beaches, barrier beaches and coastal wetlands protect upland areas by reducing the impact of storm waves and wind tides. Waves breaking on the beach area and wetland plants reduce wave height and energy.
- Physical modifications (changes to beaches, shores, coastal wetlands, and rivers) can exacerbate effects of erosion, storm surges and lake level changes.
The Lake Erie Literacy Principles and Concepts were finalized in the spring 2011.
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Lake Erie Literacy Concepts aligned with National Science Education Standards Elements
Principle 2: Natural forces formed and continue to shape Lake Erie and its watershed.
| National Science Education Standards | Lake Erie Literacy Concepts by Letter | | UNIFYING CONCEPTS AND PROCESSES | 2a | 2b | 2c | 2d | 2e | 2f | | All Grades | 1. Systems, Order and Organization | | | | | x | | | 2. Evidence, Models and Explanation | x | x | x | x | x | x | | 3. Change, Constancy and Measurement | x | x | x | x | x | x | | 4. Evolution and Equilibrium | x | | | | | | | 5. Form and Function | | | | | x | x |
| National Science Education Standards | Lake Erie Literacy Concepts by Letter | | EARTH AND SPACE | 2a | 2b | 2c | 2d | 2e | 2f | | Grades K-4 | 6. Properties of Earth Materials | x | x | x | x | x | x | | 7. Objects in the Sky | | | | | | | | 8. Changes in Earth and Sky | x | x | x | x | x | x | | Grades 5-8 | 9. Structure of the Earth System | x | x | x | x | x | x | | 10. Earth's History | x | x | x | | | | | 11. Earth in the Solar System | | | | | | | | Grades 9-12 | 12. Energy in the Earth System | | | | | | x | | 13. Origin and Evolution of the Earth System | x | x | x | | x | | | 14. Origin and Evolution of the Universe | | | | | | | | 15. Geochemical Cycles | x | | | | x | |
| National Science Education Standards | Lake Erie Literacy Concepts by Letter | | LIFE SCIENCE | 2a | 2b | 2c | 2d | 2e | 2f | | Grades K-4 | 16. Characteristics of Organisms | | | | | | | | 17. Life Cycles of Organisms | | | | | | | | 18. Organisms and Environments | | | | | x | | | Grades 5-8 | 19. Structure and Function in Living Systems | | | | | | | | 20. Reproduction and Heredity | | | | | | | | 21. Regulation and Behavior | | | | | | | | 22. Populations and Ecosystems | | | | | | | | 23. Diversity and Adaptations of Organisms | | | | | | x | | Grades 9-12 | 24. Interdependence of Organisms | | | | | | | | 25. Behavior of Organisms | | | | | | | | 26. Matter, Energy and Organization in Living Systems | | | | | | | | 27. Biological Evolution | x | | | | | | | 28. Molecular Basis of Heredity | | | | | | | | 29. The Cell | | | | | | |
| National Science Education Standards | Lake Erie Literacy Concepts by Letter | | PHYSICAL SCIENCE | 2a | 2b | 2c | 2d | 2e | 2f | | Grades K-4 | 30. Properties of Objects and Materials | | x | | x | x | | | 31. Position and Motion of Objects | | | | | | | | 32. Light, Heat, Electricity and Magnetism | | | | | | | | Grades 5-8 | 33. Properties and Changes of Properties in Matter | | | | x | x | | | 34. Motions and Forces | | x | | x | x | x | | 35. Transfer of Energy | | | | | | x | | Grades 9-12 | 36. Structure of Atoms | | | | | | | | 37. Structure and Properties of Matter | | | | x | x | x | | 38. Chemical Reactions | | | | x | | | | 39. Motions and Forces | | x | | x | x | x | | 40. Conservation in Energy and Increase in Disorder | | | | | | | | 41. Interactions of Energy and Matter | | x | | x | x | x |
| National Science Education Standards | Lake Erie Literacy Concepts by Letter | | HISTORY AND NATURE OF SCIENCE | 2a | 2b | 2c | 2d | 2e | 2f | | All Grades | 42. Science as Human Endeavor K-12 | | | | | | | | 43. Nature of Scientific Knowledge 5-12 | | | | | | | | Grades 5-8 | 44. History of Science | | | | | | | | Grades 9-12 | 45. Historical Perspectives | x | x | x | | | |
| National Science Education Standards | Lake Erie Literacy Concepts by Letter | | PERSONAL AND SOCIAL PERSPECTIVES | 2a | 2b | 2c | 2d | 2e | 2f | | All Grades | 46. Personal Health K-8 | | | | | | | | Grades K-4 | 47. Characteristics and Changes in Populations | | | | | x | | | 48. Types of Resources | | | | | | | | 49. Changes in Environments | | | x | | | x | | 50. Science and Technology in Local Challenges | | | | | | x | | Grades 5-8 | 51. Populations, Resources and Environments | | | | | | | | 52. Natural Hazards | | | x | x | | x | | 53. Risks and Benefits | | | | | | | | 54. Science and Technology in Society | | | | | | x | | Grades 9-12 | 55. Personal and Community Health | | | | | | | | 56. Population Growth | | | | | | | | 57. Natural Resources | | | | | | | | 58. Environmental Quality | | | | | | | | 59. Natural and Human-Induced Hazards | | | x | x | | | | 60. Science and Technology in Local, National & Global Challenges | | | | | | x |
| National Science Education Standards | Lake Erie Literacy Concepts by Letter | | SCIENCE AND TECHNOLOGY | 2a | 2b | 2c | 2d | 2e | 2f | | Grades K-4 | 61. Abilities to Distinguish Between Natural Objects & Objects Made by Humans | x | x | | | x | | | 62. Abilities of Technological Design K-4 | | | | | | | | 63. Understanding About Science & Technology K-4 | | | | | | | | Grades 5-8 | 64. Abilities of Technological Design 5-8 | | | | | | | | 65. Understanding About Science & Technology 5-8 | | | | | | | | Grades 9-12 | 66. Abilities of Technological Design 9-12 | | | | | | | | 67. Understanding About Science & Technology 9-12 | | | | | | |
| National Science Education Standards | Lake Erie Literacy Concepts by Letter | | SCIENCE AS INQUIRY | 2a | 2b | 2c | 2d | 2e | 2f | | All Grades | 68. Abilities Necessary to Do Scientific Inquiry K-12 | | | | | | | | 69. Understanding About Scientific Inquiry K-12 | x | x | x | x | x | x |
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