These links were shared on Pinterest - if you haven't discovered this site yet, you may want to check it out. Many educational ideas shared - as well as recipes, fashion, etc. Select Browse Education or search particular topics. www.pinterest.com
Desert Biomes: http://www.2teachingmommies.com/search/label/Desert
A nice interactive site for smartboard science activities: Thanks to Sandra Powell for sharing this site.
Another one for Layers of the Earth - Good hands-on activity!