1. for prep school students Prepared by : Mr. Gamal Hamdan Teacher of English
2. Dinosaurs Dinosaurs lived from about 210 million years ago until about 65 million years ago .Some dinosaurs were as big as ten elephants .Some dinosaurs were as small as chickens.
3. Brontosaurus It is the most common dinosaurs. It is called brontosaurus .It is the most enormous dinosaurs .It weighed more than 100.000 kilograms .It ate plants and leaves all day.
4. Tyrannosaurus One of the most dangerous and frightening dinosaurs was a tyrannosaurus .It had big , sharp teeth and ate other dinosaurs.