A periodic climate pattern that occurs across the tropical Pacific Ocean every five years.
The El Niño phenomenon has a great effect on the Earth's climate.
The last Ice Age ended about 13 thousand years ago.
Stratovolcanoes consist of layers of volcanic ash, debris and lava.
The Earth’s magnetic North and South poles are located near the geographic North and...
The surface of the Earth has been formed into its present state both by external and internal...
Cold and warm fronts are formed where bodies of cold and warm air meet.
Tectonic plates can move in relation to each other.