haiti earthquake
Post on 14-Jan-2015
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DESCRIPTION
James McDaid's presentation to his Year 3 class.
TRANSCRIPT
EarthquakesEarthquakes
• Manchester
• Haiti
• What caused the Haiti earthquake?
What causes earthquakes?What causes earthquakes?
• The Earth’s surface is made up of plates
• These plates move
What causes earthquakes?What causes earthquakes?
• When they collide mountains form
What causes earthquakes?What causes earthquakes?
• When they move apart molten magma rises up to fill the gaps and volcanoes may form
What causes earthquakes?What causes earthquakes?
• When they grate against each other:– pressure builds up over time– when the pressure is released suddenly an
earthquake happens.
Any questions?Any questions?
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