92B Teaching science should include plenty of opportunities for hands-on learning. These free landform activities are great for kids to learning geography and earth science. Make Earth layer beads, explore plate tectonics with graham crackers, create a continents necklace, create play-dough landforms, and practice map skills by building salt dough islands. This post includes free printables for each activity. Check out these science activities. 2nd grade | 3rd Grade