On the track of the rain - Savannahs
The flora and fauna of the savannahs adapt to the climate.
Did you know that about 75% of the land on our planet is covered with sedimentary rock?
Atmospherical nitrogen is bound by bacteria and used by living organisms in the form of...
This lesson presents deserts and their flora and fauna.
The Atacama Desert is the highest-elevation and dryest desert on Earth.
The Sun's rays travel through space without interruption, but once they reach the Earth's...
When masses of cold and warm air meet, weather fronts develop.
The boundaries of tectonic plates can be seen on the seafloor.
This lesson introduces you to the outer planets of the Solar System, that is the giant...