Natural world GIB2

A mass of snow, ice and rock that falls down the side of a mountain

An occasion when a volcano suddenly throws out burning rocks, smoke, etc.

A deep valley with steep sides of rock

A violent storm with very strong winds that move in a circle. There is often also a long cloud that is narrower at the bottom than the top.

A sudden flood of water caused by heavy rain

A large hole in the side of a hill or cliff or under the ground

An area of water on the coast, protected from the open sea by strong walls, where ships can shelter

An extremely large wave in the sea caused, for example, by an earthquake

A long line of rocks or sand near the surface of the sea

A high area of rock with a very steep side, often at the edge of the sea or ocean