This unit focuses on natural disasters, including earthquakes, floods, hurricanes, tornadoes, and volcanic eruptions. Students will learn what causes these disasters, their effects on people and the environment, and how communities prepare for and respond to them. Includes, ArticlesClear, easy-to-read explanations about gravity, friction, and magnetism.Written in a way that is just right for upper elementary students.Helps students understand what these forces are and how they affect things aro