It is a very, very big wave in the sea. It is very tall and fast. It can come to the beach and go into the town. What is it?
A tsunami
It is a very big, strong wind that turns and turns in the sky. It looks like a tall, grey cloud that touches the ground. What is it?
A tornado
There is a big fire in the forest. The trees and grass are burning. It makes a lot of smoke and it is very hot. What is it?
A forest fire
It is a very loud BANG! Something breaks into many pieces very quickly. It can have fire and smoke.What is it?
An explosion
A big mountain (a volcano) is very hot inside. It can throw hot rocks and fire into the sky! What is it?
A volcanic eruption
It is a big, bright, white light in the sky during a storm. First you see the light, then you hear the loud sound — thunder. What is it?
Lightning
It is a very big storm with lots of rain and very, very strong wind. It happens over the sea and can come to the land. What is it?
A hurricane
The ground shakes. The house can move. It is loud. You must hide under a table. What is it?
An earthquake
There is too much water. The water is in the streets, in the houses and in the parks. It comes from a lot of rain or from a big river. What is it?
A flood
It is like a mountain of snow that falls down very fast. It comes from the top of a mountain and is very dangerous. What is it?
An avalanche