The Earth, Climates, and Continents! With easy-to-grasp lessons, SOS 4th Grade History and Geography introduces students to topography and climatology. Starting with concepts about earth, students will travel through a wide, colorful array of important topics. Child-friendly subjects include: Our Earth, Seaport Cities, Desert Lands, Grasslands and Rainforests, Mountains and Polar Regions. Build your student's enthusiasm for the world with SOS 4th Grade History and Geography s dynamic and enriching format! Customized and compelling subject matter such as islands, sea ports, and rainforest animals will capture your student's attention. Filled with entertaining subjects, students will also learn about cities, countries, continents, climates, and North America. Windows XP SP2/Vista.