This lesson takes students through an investigation of salt crystal growth from different solution strengths. Salt crystals are the mineral halite. After the lesson, a template is provided for further investigations. Teacher instructions, scoring rubric, recording page, and a writing template for investigating are included in this lesson packet.
This lesson is in the green book Rising to the Challenge of the National Science Education Standards, also sold on this website. This is the final lesson of nine process skill lessons on rocks that will also be available for purchase as a bundle.