Cornerstone Teaching

Make teaching Cladistics and Evolutionary Classification easy, fun, and hands-on!This 10-page Cladogram Activity Packet is designed to guide High School Biology students through the process of analyzing traits and constructing evolutionary trees step-by-step. Perfect for a 1-day lesson, sub plan, or introductory lab. Gone are the confusing diagrams! This activity uses a scientifically accurate yet simplified linear progression ( Fish → Frog → Lizard → Dog) to help students grasp the concept of

Prepare your students for Fire Drills with this engaging, low-prep safety bundle! Perfect for Back to School or Fire Prevention Week, this resource helps alleviate anxiety by teaching the exact steps to stay safe and calm during a drill. This 4-page packet includes visual supports, hands-on sequencing, and classroom management tools to ensure your students know exactly what to do when the alarm sounds. WHAT’S INCLUDED:1. Fire Drill Sequencing Activity (Cut & Paste) Students practice the 6 ste