Read and collect information to build up your mindmap and glossary.
Document 1 : What is a tsunami ?
Document 2 : Dangerous Tsunamis in History
Document 3 : Tsunamis in question
Document 4 : How big is a tsunami ?
Document 5 : Facts and Information
Watch the videos and collect information
Video 1 : Definition and phenomenon
Video 2 : Causes, examples, definitions
Video 3 : If you want to make an experiment
Video 4 : Go further : Causes and Definition