Read and collect information to build up your mindmap and glossary.
Document 1 : Very easy definition, causes, charcateristics and consequences.
Document 2 : Things to know about blizzards.
Document 3 : How do Winter Storms form ?
Document 4 : What’s the difference between "blizzard" and "snowstorm" ?
Watch the videos and collect information
Video 1 : Definition, phenomenon and example
Video 2 : What are Blizzards ?
Video 3 : Go further
Video 4 : If you want to make an experiment