Gather around the museum guide told the class Don’t worry he won’t bite Lee and his friends laughed and stepped closer to the Argentinosaurus The dinosaur towered over the group Lee had never seen anything as big as this dinosaur before 5
Lee stared at the dino’s long neck Its head nearly reached the ceiling That must have been the biggest dinosaur ever he exclaimed 6
It’s the biggest dino ever found so far the museum guide said Scientists figure out how big a dino was by looking at fossils To estimate the size of this Argentinosaurus scientists studied the size of its thigh bone and backbone 7
