"...velociraptor!" exclaimed Ms. Tomlin, addressing the class. "Watch closely - the transformation is about to start." Indeed, you were shaking slightly as the changes began.
You stared at your forearms as they started changing, as greenish-brown scales rapidly appearing all over them. You grunted in pain as your body hunched over, slowly transforming to match the shape of a velociraptor. A tremendous pressure started in your shoes as your feet grew longer and tore through them, becoming scaly talons. You tried to struggle out of your shirt, exposing your chest as it slimmed out, also becoming covered with scales. Your nails sharpened into black claws, while your arms became much slimmer; as they weakened you found it increasingly difficult to use them, so you held them in front of you like a kangaroo.
You shivered as your blood became colder and colder. A huge jolt came from your tailbone as it lengthened into a long, thick dinosaur tail. You screamed as your face began to stretch outwards; all of your teeth sharpened into deadly daggers, your hair fell out, and your eyes became deep yellow with slitted pupils. The transformation drew to be end, and you stared at the class hungrily...