- New information contained in each edition, such as: - Tyrannosaurus Rex had an excellent sense of smell- Velociraptors could run 40 mph, faster than previously thought- Apatosaurus is now thought to have had a football-shaped head- A complete glossary of important words is included.- Key words are boldfaced throughout the textGrades K-4 Science StandardsLife Science- C-1. The Characteristics of Organisms: a. Organisms have basic needs.- C-2. Life Cycles of Organisms: a. Plants and animals have life cycles that include being born, developing into adults, reproducing, and eventually dying.Earth and Space Science- D-1. Properties of earth materials: c. Fossils provide evidence about animals that lived long ago and the nature of the environment at that time.Science and Technology- E-2. Understanding science and technology: e. Tools help scientists make better observations, measurements, and equipment for investigations.