Students will learn about the St. Croix Botanical Gardens and its big trees through the Big Trees of Saint Croix App. Using this app, students will locate the trees using GPS location from Big Trees of Saint Croix Book. Students will contribute to building this app. Then, students will use AppLab in code.org to build their app. 

Learn about root systems of trees in the Congaree Swamp National Park in this video segment from NatureScene.