Miniral Unit.

This week i have learned about the earths structure and about caves and how they formed and where they can form like in a volcano or on the antarctic. Also i learned what creatures live in the caves and how their group is called. I learned what stalagmites are they rock that push up from the ground and that stalactite are the rocks that hang from walls. I want to learn about crystals and how they are formed. I also want to learn about the rock cycle.