Patterns and Shapes in Nature STEAM Activities for Grades 1-3 Looking for a 1st-3rd-grade science resource that helps students discover mathematical patterns in nature? This comprehensive STEAM unit is perfect for making learning engaging and stress-free! Need an exciting way to teach biomimicry, symmetry, and pattern recognition? Watch your students light up as they explore sunflower spirals, zebra stripes, and butterfly wings through 25 hands-on activities that seamlessly blend science obse