What is a Geyser?
A hot spring that intermittently boils, sending a tall column of water and steam into the air.
What is a Tectonic Plate?
The massive slabs of solid rock that make up the Earth's lithosphere.
What is a Tsunami?
A series of massive ocean waves caused by underwater earthquakes or volcanic eruptions.
What is a Volcano?
A rupture in the crust of a planetary-mass object that allows hot lava and gases to escape.