Touch it Learn it Interactive Mini-lessons are designed to increase student engagement by using the Smartboard multimedia device. This is the 1st in a series of products that teachers will be able to purchase from my store. Students will be able to distinguish between sources of saltwater and freshwater using the reveal and vortex sort features of Smart Notebook. This file also contains printables that students can cut and paste to create their own Venn diagram. Note: This product is a .zip fi