"Dinos A to Z: Stegosaurus" introduces one of the most recognizable dinosaurs in prehistoric life and paleontology. The video explains the meaning of the name Stegosaurus from Greek, describes its famous back plates and tail spikes, and reviews key facts about its size, habitat, diet, and defense. It also highlights scientific ideas such as fossils, excavation, reconstruction, herbivores, predators, and how new fossil evidence changed early theories about the dinosaur’s plates. With references to Colorado’s state dinosaur and life in what is now the United States about 152 million years ago, this overview supports science vocabulary development and curriculum-aligned study of Earth history, prehistoric organisms, and scientific inquiry.