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Do Now #10

Do Now #10. On page 6 of your class notebook, draw a circle that takes up only about 25% of the page. Example => Sketch a pie chart with your guess as to how much water on earth is salt vs. fresh. Please include you estimate of the percentages. Do Now # 10. 20 % Fresh 80 % Salt.

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Do Now #10

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  1. Do Now #10 • On page 6 of your class notebook, draw a circle that takes up only about 25% of the page. Example => • Sketch a pie chart with your guess as to how much water on earth is salt vs. fresh. Please include you estimate of the percentages. Do Now # 10 20 % Fresh 80 % Salt

  2. Today you will need: • Green pen • Colored pencils

  3. Homework • Read Pages 24 – 26 (The Sound Today => The Long Island Sound Watershed) • Take notes on page 8 of your CN (class notebook)

  4. The Sound Book

  5. Long Island Sound Unit 2014 Earth’s Water

  6. Concept 3 – Write this on CN page 7. • Most precipitation that falls on Connecticut eventually reaches Long Island Sound. • All of the rivers in CT drain into LIS.

  7. You understand if… • discuss and chart the reasons why water is essential for life. • use appropriate maps to locate and identify the major watersheds that drain into LIS and analyze how the topography (shape of the land) influences the way water moves in the LIS watershed. (You will be able to do these 2 tasks by the LIS test.)

  8. Vocabulary • Fresh water • Ground water • Salt water • Surface water • watershed

  9. Earth’s Water • 97.5% salt water • Oceans (96.5%) • Saline ground water (1%) • 2.5% freshwater • Ground water • Glaciers • Ice Caps • Lakes • Ground ice and permafrost (frozen soil)

  10. Water is a universal solvent. • Water dissolves and carries many substances through the environment. • Acid rain, calcium, carbon dioxide, oxygen, salt, metals • Substances that are dissolved in water may be harmful or beneficial to organisms.

  11. Substances Dissolved in Water Harmful Beneficial Minerals Oxygen nutrients • pollutants Water temperature affects the ability of water to dissolve substances!

  12. The Water Cycle

  13. Already In Your Notebook

  14. Long Island Sound

  15. Connecticut’s Watershed Housatonic Thames Connecticut Long Island Sound

  16. LIS Facts • Area of the Long Island Sound = 1,320 sq miles • Area of the watershed = 16,820 square miles • Average Depth = 63 feet (60-120 feet) • Length of Coastline = 600 miles • About 23 million people living within 50 miles • Estimated value to the local economy per year is $8.91 billion (fishing and recreation)

  17. Why is the LIS important to us? • LIS is an estuary - where saltwater from the ocean mixes with fresh water from rivers. • Estuaries are among the most productive ecosystems on Earth. • Our estuary is home to more than 1,200 species of invertebrates, 170 species of fish.

  18. Connecticut’s Watershed • A watershed is the area of land where all of the water that drains off the landscapes ends up in a body of water. (LIS) • What gets built in the watershed, or what we throw on the land, can have consequences for Long Island Sound and its tributaries. • Even one pint of oil released into the water from a storm drain can spread and cover one acre of water surface area and seriously damage aquatic habitat.

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