Unit Length: 2-3 Weeks IV. Major Learning Outcomes



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Additional Resources


Oceanography in the News

http://www.nurp.noaa.gov/spotlight.htm
Ocean Remote Sensing Lesson Plans

http://education.imars.usf.edu/lplans.html
http://atlantis.crlt.indiana.edu/public/teacher.pl
http://edtech.kennesaw.edu/web/oceans.html Lots of resources

ENGAGE, Part 1 Name _____________________________

Handout Date ___________________________


Summary Bubbles

ENGAGE, Part 1 Name _____________________________

Handout Date ___________________________


Cartesian Diver
Observe the “diver” as the teacher demonstrates it. Record any observations you make about the “diver” in the space provided. Make a sketch of your observations.
Observations of “diver:”

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Explain how the “diver” works.

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ENGAGE, Part 1 Name ___________________________________

Handout Date ____________________________________


Making a Cartesian Diver
Purpose: To simulate descending in the ocean.
Materials:

2-liter bottle

3-medicine droppers

small beaker

water



Procedure:

  1. Place a small amount of water in the small beaker to fill the medicine droppers.

  2. Fill the first dropper ¾ full of water.

  3. Fill the second dropper ½ full of water.

  4. Fill the third dropper ¼ full of water.

  5. Next, fill the 2-liter bottle with water. Leave a small amount of space in the neck open with air to put in the droppers.

  6. Place each dropper in the 2-liter bottle.

  7. Fill the 2-liter bottle so that no more air exists in the bottle. Cap the bottle.

  8. Draw the Cartesian Diver in the data section. Note the location of each dropper (label each dropper).

  9. Squeeze the 2-liter bottle with your hands.

  10. Record your observations in the data section.

  11. Attempt to squeeze the bottle until all droppers touch the bottom. Record which dropper hit last.


Data:
Drawings:



Observations after initial squeeze

Observations after final squeeze





Analysis:

  1. Why did the droppers float in the 2-liter bottle initially?


  1. What happened to the water level in the droppers when pressure was applied to the 2-liter bottle?


  1. What happened to the density of the droppers after they took on more water?



  1. How do divers use this concept to ascend and descend in the water?



  1. How does the Cartesian Diver simulate the technology used in a submarine to allow it to ascend and descend in the water?

ENGAGE, Part 1 Name ___________________________________

Handout Date ____________________________________


Making a Cartesian Diver
Purpose: To make and observe a Cartesian diver.

Procedure: List the steps below for making and testing your “diver.”

  1. ________________________________________________________________________________________________________________________________________________________________________________________________

  2. ________________________________________________________________________________________________________________________________________________________________________________________________

  3. ________________________________________________________________________________________________________________________________________________________________________________________________

  4. ________________________________________________________________________________________________________________________________________________________________________________________________

  5. ________________________________________________________________________________________________________________________________________________________________________________________________

  6. ________________________________________________________________________________________________________________________________________________________________________________________________

  7. ________________________________________________________________________________________________________________________________________________________________________________________________

  8. ________________________________________________________________________________________________________________________________________________________________________________________________

  9. ________________________________________________________________________________________________________________________________________________________________________________________________

  10. ________________________________________________________________________________________________________________________________________________________________________________________________


Drawing: Make a sketch of your “diver.”

Observations:

Conclusion:

  1. What did you do to get your “diver” to sink and float? ______________________

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  1. Why does this cause the “diver” to sink and float in your tank? ______________

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________



  1. How do divers use this concept to ascend and descend in the water?

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________


  1. How does the Cartesian Diver simulate the technology used in a submarine to allow it to ascend and descend in the water?

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________


EXPLORE, Part 1 Name ___________________________________

Handout Date ____________________________________


Part 1: How do we explore the oceans?
Study the picture assigned to your group. Answer the following questions about your picture.

  1. Describe what you see in this picture. (Picture # _____)

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  1. Where do you think the picture is taken?

________________________________________________________________


  1. What do you think is happening in the picture?

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  1. What are you curious to know more about now that you have seen this picture?

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  1. List the words that come to your mind when looking at the picture.



  1. Would you want to be an ocean explorer? Explain.

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EXPLORE, Part 1
Picture # 1


Picture # 2


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