I photographed the rocks and printed them out for a simple matching activity. I’ve put the names on the back. Here are some more cards by http://littleschoolhouseinthesuburbs.com/2012/06/minerals-classified-cards.html/ The above is available from Montessori Print Shop I’m looking for something to explain the formation of Sedimentary, Igneous and Metamorphic rocks. I’ve seen some interesting activities for weathering and … More Rock and Mineral activity