What is the largest continent in the world? Asia! There are many other large facts about this diverse continent. For example, Asia has over 45 countries, is home to the world's highest point, the world's longest river, and the world's highest mountains. You and your students will find a 23-page Research Guide that covers the people, animals, regions, and much more about the continent of Asia. Also included in the guide part, are a list of all the countries, vocabulary, and a list of resources for further research. In addition, we have included 22 hands-on activities to correspond with all the topics included in the guide.