Firts graders distinguish between sedimentary, igneous, and metamorphic rocks. They group the rocks into the appropriate group. This is one of the best-organized plans I've seen! Learners watch a PowerPoint presentation which is embedded...

You don't have to travel far to learn about rocks, just step outside, pick up a stone, and begin investigating. After taking a class walk around the school grounds collecting rocks, young scientists practice their skills of observation...