Wednesday, January 02, 2008

Going High Tech: Geocaching Activities with Students

In my last posting, I wrote about selecting GPS models for use with students. Now let's talk a little about Geocaching and how you might use the concept with students. If you've never heard of Geocaching, the short version is that it is a high tech treasure hunt where people all over the world hide items in containers for others to find. They post the latitude and longitude coordinates of the hiding location along with a verbal description and hint to the Geocaching web site. The great part about it is that you often visit places that you would never have gone to or even knew about. For instance, once when I was in Helena, Montana, a Geocaching trek led me to the Archie Bray Foundation for the Ceramic Arts (pictured to the left) and an incredible outdoor art exhibit. To summarize, other people select interesting places to hide stuff for you to find with your GPS and it's pretty fun.


Oh, and I might also mention that sometimes people can be very tricky with the containers that they hide the cache in--as in this modified brick from a cache in California.

The kids that I've worked with generally love using the GPS and get pretty excited when searching for the hidden cache container. In an outdoor school setting, this may be tied in with existing activities or an activity all on its own. The one thing that is pretty important is to construct good clues and to select locations that are not secluded (my goal is to have things hidden in such a way that the adult in charge can generally see where all of the students are from a single vantage point--or to have a couple of other adult helpers available). Below are examples of the directions and some of the clues that I've used in the past. Note that the lat/long coordinates have been omitted for this posting.

Directions: Read the numbers aloud that are displayed on your unit to your partner. Work together to determine when you have arrived at or near the coordinates. When you get close, and you are at the nearest hundredth of a minute, use the clues below. If you are using the GO TO feature of your GPS, use the clues once you get within 20 feet of the cache.

Remember as you go north, your north coordinate increases and as you go west your west number increases.


Waypoint 1 N 43 4x.xxx, W 122 5x.xxx

I rest at the base of a single tree.


Waypoint 2 N 43 4x.xxx, W 122 5x.xxx
The number of sides in a pentagon equals the number of trunks I sprout.

Waypoint 3 N 43 4x.xxx, W 122 5x.xxx

This cache is ‘illuminated’ and near the state flower of Virginia


Waypoint 4 N 43 4x.xxx, W 122 5x.xxx

Look for box # ___ 100-80 2-2x25+1= (multiply and divide left to right then add and subtract)


Waypoint 5 N 43 4x.xxx, W 122 5x.xxx

Give a hoot, don’t forget to salute.


Waypoint 6 N 43 4x.xxx, W 122 5x.xxx

You might have to take a walk around the “blocks” to find this cache.


Waypoint 7 N 43 4x.xxx, W 122 5x.xxx

How much wood can a woodchuck chuck?


Waypoint 8 N 43 4x.xxx, W 122 5x.xxx

People may have eaten here long ago, but now I’m a little prickly.


In some of the above examples, you can pretty much tell where the cache might be located (e.g. at a flagpole). But for the most part, the descriptions should be enough to let the finder know that they are in the right area, but not give them enough information to get there without the GPS.

Take a look at a few of these resources that I've put together in the past as well as the Geocaching web site
Happy Caching!

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