The next 6 courses are themed the Atmosphere. As you work through the courses you will ascend through the atmosphere.
The Atmosphere
Troposphere
Foundation course 3
Mesosphere
Foundation course 5
Thermosphere
Foundation course 7
Stratosphere
Foundation course 4
Karman Line
Foundation course 6
Exosphere
Foundation course 8
The next 6 courses are themed Ocean creatures.
Ocean Creatures
Sharks
Foundation course 9
Whales
Foundation course 10
Seals
Foundation course 11