Transcript of "1.introduction to hazard scales and mapping"
What is a hazard?LO: To understand the termhazard and know the scales usedto measure them
Chitter chatter starter:1) What is a hazard?2) What makes it a natural hazard?3) List as many natural hazards as you can thinkof.4) When does a natural hazard become a naturaldisaster?5) Have you ever experienced a natural hazard ordisaster?6) Do natural hazards occur in certain parts of theworld more than others? Where? Why?
What is a hazard?A good definition for a ‘natural hazard’ is:“a ________ natural _____which has the_______to ______both ____and ______”property perceived potential threatenlife event
Distribution of Hazards• Look at the hazard map showing the main hazards:– Volcanoes– Earthquakes• Complete another map plotting on the hurricanes anddrought areas. You may change the colours if youwish.• Stick both maps into your book under themini subheading ‘Distribution of NaturalHazards’
Answer the following in full sentences in your book1. Describe the distribution of earthquakes, volcanoes,drought and hurricanes using some examples of thewords in the boxes below:2. Which places in the world are the most vulnerable tonatural hazards? Give some named examples. Theseare called ‘hotspots’.3. What do you notice about these hotspot countries? Arethere any other reasons for their vulnerability?Extension: can you think of a good definition for the word‘natural hazard’?Questionsoceans land masses mountains compass points
Investigating hazards• Hazards are a danger and to understand them humansstudy them.• In your pairs consider for each of the hazards below:what you would measure and how you would measurecertain aspects of the hazards to gain a greaterunderstanding of it.– Volcanoes– Hurricanes– Tornadoes– Earthquakes