Hazardous Environments Crossword Puzzle

QUESTIONS LIST:

• subduction: the process where a dense oceanic plate plunges below a less dense continental plate.
• strato volcano: the name of a steep sided volcano with viscous thick lava.
• shield: the name of a volcano with gentle sides and runny lava.
• hawaii: a place consisting of an island chain formed from a hotspot.
• seismograph: equipment used for measuring the magnitude of an earthquake.
• focus: the point underground where an earthquake occurs.
• mercalli: the scale that measures the effects of an earthquake based on observations.
• four: the number of key layers the earth consists of.
• pyroclastic: hot solid material which descends at high speed down the sides of the volcano .
• lahars: these are dramatic and fast moving events, which combine volcanic ash with water.
• convergent: the plate boundary where fold mountains form.
• tourism: a reason why people continue to live near volcanoes in beautiful areas (think iceland, sicily, canary islands, naples).
• education: a method that reduces the impact of natural hazards on the population.
• coriolis: the name of the effect where the earth's rotation deflects the direction of the wind to the right in the northern hemisphere and to the left in the southern hemisphere.
• low: cyclones create _ pressure systems.
• eye: the centre of a cyclone storm where conditions are calm and dry.
• saffir simpson:the scale used to measure cyclones.
• shear: when wind speed and direction are different from normal over a short period of time this is known as wind _ .
• twenty seven: for cyclones to form, sea temperatures must be at least _ degrees.