3Dinosaurs were discovered in the early 1800’s. The name Dinosaur means terrible lizard.Since that time,many new ideas have replaced the old theories.One such theory is that scientist thought dinosaurs were slowmoving with the tails dragging the ground. Actually dinosaurswere very swift and they walked holding their tails up.Dinosaurs could be found in the air, in the water, or on theland.Dinosaurs were either meat-eaters or plant-eaters.
4Review 1. When was the first dinosaur discovered? 2. What does the name dinosaur mean?3. Were dinosaurs slow or fast moving?4. Did dinosaurs’ tails drag the ground?5. Name the three places dinosaurs can be found living?6. What did dinosaurs eat?