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