The app is divided into 4 sections: Structure, Rotation, Moon, and Habitat.
– Internal Layers: The Crust, Upper Mantle, Lower Mantle, Outer Core, Inner Core
– Atmosphere Layers: Exosphere, Thermosphere, Mesosphere, Stratosphere, Troposphere
– Lands & Seas: All 7 continents and 4 oceans
– Fresh water
– Rain forest
Background music plays, but you can easily turn it ‘off’. Also, you do not need an internet connection to fully use this app. I highly recommend it for use in science classrooms!