Table of Contents Underwater Exploration
2. When your teacher tells you to begin, each member of your team should measure the depth in their assigned holes in the first row using a Sounding Rod. Leave the rods in place until you have recorded your measurements on Student Sheet 3. It will probably be easiest if one team member does the recording while the other members call out the depth measurements.
3. When you have finished measuring the depths in the first row, use the same procedure to measure depths of the remaining holes, recording the data from your measurements one row at a time on Student Sheet 3.
4. When you have measured all of the depths, and entered all the values, plot the results for each row on a bar graph as directed by your teacher. Show students an example of the graph that resulted from plotting one row of depth data. It will probably be quickest if each team member is responsible for plotting specific rows of data on Student Sheet 5.
5. You should have 10 Student Sheet #5s, (one for each row.) When your graphs are completed, cut them out. Be sure to leave the border at the bottom of each graph! Fold as shown, and tape each graph onto the top of the box so that the folded edge of each graph lies on its corresponding row on the box top. Stand the graphs up so that they are perpendicular to the top of the box (additional tape may be needed to keep the graphs upright). Now you should have a three-dimensional model of the mystery landscape inside the box.
Part III: Build an ROV Outdoor Classroom - 60-120 minutes
1. Once explorers on boards NOAA’s Okeanos Explorer discover anomalies using multibeam sonar mapping systems, or water sampling bottles they will deploy ROV Little Hercules to take a closer look at new species and much more. Show students images of several ROVs. (
http://oceanexplorer.noaa.gov/-technology/subs/rov/rov.html)
2. Explain to students that they will build their own ROV using Student Sheet 5 Coat Hanger ROV or ROV in a bag kit from MATE.
3. ROV in a bag kits are available from MATE. They are ideal for practicing design. Feel free to add washers as weights for buoyancy.
4. Have materials available outside for kids to design and test their ROV’s.
5. Marine Advanced Technology Education Contact Erica Moulton for ROV in a Bag kits at MATE. (
www.marinetech.org)
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