This bundle contains everything you need to teach your unit on Earth's Systems - The Four Spheres: Biosphere, Hydrosphere, Atmosphere, and Geosphere! Students will learn through engaging, high-interest activities in both print and digital formats. Topics Include: The four spheres: hydrosphere, biosphere, geosphere, atmosphereInteractions pf Earth's major systemsHow each sphere affects other spheresEffects of the hydrosphere (the water cycle)Vocabulary includes: precipitation, condensation, erosi