Noaa fish pond plankton cordanits 20 50.45.832N 156 27.550W

Here is a good video on how to find geocaches and use a eTrex Vista Handheld GPS. http://www.youtube.com/watch?v=LuASWCZ040M

This is a picture of a geocache. We used GPS units to find them. We studied geocaches in our science class. You can find them all over the world. www.geocaching.com If you go to this site you can learn more about them.

This is a picture of a GPS unit. We used these to find geocaches. We studied GPS units in our science class. They use satellites to relay info back to the unit and display info.

This is a picture of phytoplankton. The type of phytoplankton this is a Fragilaria. We studied phytoplankton in our science class. Phytoplankton is plank tonic plants that drift in the current and provide 50 percent of our oxygen.