or log in
An earthquake is one of the most devastating natural phenomena.
Cyclones are large areas of swirling air with clouds and precipitation being formed inside.
Tectonic plates can move in relation to each other.
Is the tundra region as cold and deserted as many people think?
Natural gas and petroleum are among the most important sources of energy and raw materials today.
Water on Earth is in a continuous state of change. The water cycle includes processes...
This video presents the different stages of coal formation.
This animation demonstrates different types of soil.