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Transcript
Ocean Foldable Directions: Use classroom resources (textbook, dictionary, ISN, etc.) to complete the foldable: You should: add lots of detail, and answer each question in a complete sentence so that you know what the question was asking (refer to the example below). Tab 1 – GREEN 1. Title – Write The Ocean in big letters. 2. Decorate this tab with some ocean-related illustrations. Tab 2 – BLUE – Salinity 1. Label this tab Salinity 2. What is the most plentiful compound in the ocean? Example sentences: The most plentiful compound in the ocean is ___________ or __________ is the most plentiful compound in the ocean. 3. What is salinity? 4. What makes the ocean salty? 5. What is the relationship between salinity & density? 6. What increases the salinity? 7. What decreases the salinity? 8. Why does the overall salinity of the ocean remain constant? Tab 3 – PINK – Dissolved Gases 1. Label this tab Dissolved Gases 2. What are the 3 major dissolved gases that are essential to ocean life? 3. What process is carbon dioxide used for? 4. Where does the oxygen in the ocean come from? Name 2 sources. Tab 4 – YELLOW – Temperature 1. Label this tab Temperature 2. Draw & label the diagram of “Ocean Temperature by Depth” (pg. C79) 3. Give a description of each layer. 4. What causes the temperature of the water at the surface of the ocean to vary? Tab 5 – WHITE – Ocean Floor Label this tab Ocean Floor Draw and label the ocean floor. (pg. C80-C81) What is the ocean bottom like along the coastlines? What land feature drops steeply at the edge of the continental shelf? What features lie beyond the continental slope? Tab 6 – WHITE – Ocean Exploration Label this tab Ocean Exploration What happens to the pressure as you go deeper in the ocean? Besides pressure, what are 3 other obstacles to ocean exploration? What are 3 things scientists use to explore the ocean? What are 2 methods used in mapping the ocean floor? Draw and label diagram of SONAR method. (pg. C82) Tab 7 – YELLOW – Ocean Currents Label this tab Ocean Currents What is an ocean current? What causes surface currents? What 2 factors affect the paths of surface currents? Explain how deep currents are driven by differences in water density? Draw and describe what happens during downwelling. Draw and describe what happens during upwelling. How do surface currents help distribute heat around the globe? How does the Gulf Stream affect Great Britain? Why & when does El Nino occur? What impact does El Nino have? Tab 8 – PINK – Waves Label this tab Waves Draw the wave diagram to the right. Label and define: crest, trough, wave height, wavelength, and frequency. What happens to wave height, wavelength, and frequency, as waves get closer to the shore? What is a rip current? When do they occur? What is a long shore current? Where does it occur? Tab 9 – BLUE – Tides Label this tab Tides What is a tide? What are 3 factors that cause the tides? How often do places experience high & low tides? Draw a diagram of a spring tide. Draw a diagram of a neap tide. What are the benefits & drawbacks of tidal power plants? Tab 10 – GREEN – Ocean Zones Label this tab Ocean Zones Paste the ocean zones diagram to the inside of this tab. Define the following terms: intertidal zone, neritic zone, oceanic zone, photic zone, aphotic zone, and benthic zone. What are 4 characteristics of environments near the shore? (pg. C121) How are open ocean conditions different from those found close to the shore? (pg. C126)