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What sits on the bottom of the ocean and shakes?

What sits on the bottom of the ocean and shakes?. A Nervous Wreck. Whatever Floats Your Boat. Using the available supplies, your crew is in charge of getting as much cargo on your pirate ship back to London.

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What sits on the bottom of the ocean and shakes?

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  1. What sits on the bottom of the ocean and shakes? A Nervous Wreck

  2. Whatever Floats Your Boat • Using the available supplies, your crew is in charge of getting as much cargo on your pirate ship back to London. • The safest route is to take the Atlantic Ocean northward around Portugal, Spain, and France, up through the English Channel toward the North Sea, in to the mouth of the river Thames and then sail straight up the Thames… … so the ship has to sail through waters of three different densities.

  3. Materials Available • 1 four ounce plastic cup: the ship • Pennies • Steel wool • Triple beam balance • Electronic balance • Graduated cylinder • 250 ml beaker • Thermometer • Straws • Ruler

  4. Information Gathering • What information do we need about each body of water? • How will you gather this information? • What information do you need about your ship? • How will you gather this information? • What information do you need about your cargo? • How will you gather this information? • What materials will you NOT use from the materials list?

  5. Conducting the Investigation • Troubleshooting Tips: • Remember to stir the liquid before taking a sample. • Don’t pour liquid back into the main container! • Each sample needs at least 50 ml for an accurate measurement.

  6. Making a Final Prediction • Use your density measurements to predict the maximum load of pennies in each body of water.

  7. Class Data: Water Densities PERIOD 1

  8. Class Data: Water Densities PERIOD 5

  9. Class Data Table

  10. Post Lab Questions • 1) What is the relationship between salinity and density? • 2) How did your results compare with your predictions? If your ship did not float, explain where you went wrong? If your ship did float, do you think you had the maximum load possible? Why? • 3) How do you think your calculations would change if the ship were made of a denser material than plastic? • 4) If you were to attempt this challenge again, what would you keep the same? What would you do differently?

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