If you're eager to get the kids outside (two or four legged), then try Snap2Map! It's an easy way to create a pictorial story map associated with photos, all from your smart phone!
The Esri Education Team wrote about it in this blog post, Fun with GIS 161: Snap2Map | GIS Education Community .
Also, you''ll find more information here, http://www.arcgis.com/home/item.html?id=37de8a6d017e4095ba5f8fa44e02a1e7.
Here's a great example from the International School of Geneva, http://gatwarcgis.maps.arcgis.com/apps/MapTour/index.html?appid=a241e0e4b1ac45b0971735109987d765 .