igcse geography earthquakes and volcanoes past papers

June 2017 CIE IGCSE Geography Past Papers. Using Figure 2.0, describe the location of the Pacific Ring of Fire and explain why this area has this name. Can you write a process explanation for the following question? That is why when you plot earthquakes and volcanoes on a map, the pattern mainly follows the plate boundary lines.

Earthquakes are vibrations caused by earth movements at plate boundaries. Make simple sketch diagrams showing fissure, dome and ash-cinder volcanic structures.

When the plates move and meet at plate boundaries they cause earthquakes and volcanoes. This process creates fold mountains. The continental plate crumples at the edge creating fold mountains in addition to the volcanoes. with high pressure and temperature, The inner core is a solid nickel and iron.

When plates move at these boundaries- this is called tectonics- But why do they move?

There are two main types of volcano that we learnt about. This melts and is gaseous which causes it to force its way up to the surface as a volcano. This creates fissure volcanoes which are long cracks, they are less explosive. very high pressure and a temperature over 5500°c. Objective: Demonstrate an ability to to identify factors that can affect the scale of a disaster and be able to link them to levels of development. A subscription can be purchased to access the IB DP Geography materials, 1.1 Population and economic development patterns, Unit 2: Global climate - vulnerability and resilience, 2.2 Consequences of global climate change, Unit 3: Global resource consumption and security, 3.2 Impacts of changing trends in resource consumption, 4.3 Human and physical influences on global interactions, 5.3 Local responses to global interactions, fw.1 Drainage basin hydrology and geomorphology, fh.4 Future health and food security and sustainability, ee.1 The characteristics of extreme environments, Environmental risks of economic development.
The crust is split into large pieces called plates, which sit on top of the mantle. Objective: be able to describe the main events and damage caused by the volcano. Seismic waves: these are the shockwaves that move outwards from the focus.

Why can hospitals outside towns add to the problems? They crumple up.

Watch the video clip below to remind yourself of what happened! Oceanic & continental plates collide. They can occur at all four major plate boundaries but the most severe earthquakes are normally found at conservative and destructive plate boundaries. Destructive boundary volcanoes are often cone shaped and explosive. There are no volcanoes at these boundaries but earthquakes occur.

Their energy disipates the further they travel.

Epicentre: the point on the surface of the earth directly above the focus (so it can be located easily on maps).

Volcanoes vary in shape and structure depending on the reason for their existence. The outside of the planet earth is called the crust. Teachers registered with Cambridge International can download past papers and early release materials (where applicable) from our password protected School Support Hub, where a much wider selection of syllabus materials is also available to download.

An oceanic plate moves towards a continental plate, Oceanic plate moves under the continental plate, This is because the oceanic plate is denser, The oceanic plate melts because of the friction and heat, Because of the pressure magma forces it way up through cracks in the continental plate. – Steep sided volcanoes which build up from the thick lava and ash. Lava flows destroy vegetation buildings and roads. Unit 1: Changing Physical and Human Landscapes (3110U10-1) - Download Paper - Download Mark Scheme. Earthquakes are also found at constructive boundaries.

IGCSE Geography Paper 1: 0460/11 – Download Insert – Download Paper – Download Mark Scheme.

Constructive boundary volcanoes are often more gently sloped and have less violent erruptions.
Draw and label a simple diagram of a volcano and the ejected material. The earths crust is broken into different sections which are slowly moving about. Gas released from volcanoes can travel down the slopes silently killing people and animals. Earthquake strength is judged using the Richter Scale. The plates don’t stay still! Dome: steep sided volcano created by acid lava which cools before it has travelled far. Make a sketch of Figure 2.1 to show the hazard map and restricted zones that are in place on Montserrat since the eruption. As the process repeats a ridge is formed and this slowly gets wider as the plates continue to seperate. Why did they cause so much damage on the island? IGCSE Geography 0460 About IGCSE Geography Syllabus Through the Cambridge IGCSE Geography syllabus, learners will develop a ‘sense of place’ by looking at the world around them on a local, regional and global scale. ” Did you know the world’s tectonic plates move between 1.5-7.5 cm a year!”, Click on the following link to download the checklist for revision for this topic.

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