The Rock Cycle-Making a Model -Common Core – Science hands-on activity- Claim, Evidence, Reasoning- Science Grade 3-8
This activity uses inexpensive kitchen items (plain bread slices and a small amount of water) to create a model the rock cycle. I have found that using wheat bread works best because of the texture and variation of the color in the bread. For economical purposes if you have multiple classes I cut one slice into 4 pieces and use one slice per group. Students create a model of sedimentary, then metamorphic and finally igneous rocks suing two slices of white bread. Students record their observations and utilize the information they have learned about the rock cycle to state a claim about the rock cycle, use evidence to support that claim and then explain their reasoning using their evidence. This activity was originally designed for a middle school classroom however it is simple enough for upper elementary students to complete and understand.