Relier Pairs Earthquakes & VolcanoesVersion en ligne Revision of Year 4 Geography (Term 3 2017/2018) par Choi Ming Jiun 1 Dormant volcano or sleeping volcano is 2 When the volcano erupts, 3 Pressure builds up as 4 When hot and runny rocks comes out of a volcano it is called 5 Earthquake is like a drawer which has stuck 6 Hot and runny rock under the surface of the Earth is called 7 A volcano begins as 8 The Earth's Core 9 Suddenly they slip past each other 10 Active volcano is 11 The Earth's Plates 12 The Mantle 13 The edges of the plates sometimes 14 When the Earth's plates meet, 15 The Earth's Crust 16 There are even more volcanoes under the sea 17 Extinct volcano is volcanoes that have not erupted for a long time. molten rock, smoke,dust, ashes and gases escape through the opening. forms a new island. stick together and cannot move. The solid plates float on the molten rocks of the mantle underneath. magma. the plates push against each other. a hole or crack in the Earth's crust. have to tug it hard then suddenly it gives way with a jolt. has not erupted for at least 10000 years. volcano that is erupting or can still erupt. they usually slide past each other. lava. The outer core made of hot liquid iron with some nickel the land above shakes violently. A layer of solid rock beneath the soil A very thick layer of hot rocks
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