Classifying Rocks

Plants and animals are usually organized by their family tree (origin) and by their physical and genetic characteristics. This activity helps to demonstrate to students that geologists do the same with rocks, which are usually organized by their origin and by their physical and chemical characteristics. To have a better understanding of nature and as one of the initial steps of scientific understanding, it is important for humans to organize nature into groups. This site has a list of materials, background information, a detailed procedure, and a suggestion for assessment. Educational levels: Intermediate elementary, Primary elementary