A lightning bolt is a very intense electrical discharge that [...]

A continent is a large landmass surrounded by oceans. There [...]

Minerals are solid, naturally occurring substances found on Earth. They [...]

Meteorology is the science that studies atmospheric phenomena and weather. [...]

A storm is an atmospheric phenomenon characterized by the presence [...]

Sediment refers to the solid materials that are deposited at [...]

An archipelago is a group or chain of islands clustered [...]

A sand dune is a mound or ridge of sand [...]

A ravine is a narrow, steep-sided valley typically formed by [...]

A hill is a landform that rises above its surroundings, [...]