PPT-eruption

Dynamics of the tooth development Development of teeth The dynamics of the tooth development is studying the chronological stages of the primary and permanent teeth development characterized by quantitative and qualitative differences. What is natural disaster ? . . It is natural happening that will have a negative effect on people or the environment.. Earthquake . . An earthquake is a phenomenon that results from a . Basaltic Lava – low silica content, low viscosity, low gas content. Hot spots – magma moves up from lower mantle and plates move over it . Ex. Hawaii. (note: see video on favorites). Shield Volcanoes. Chapter 9 . Section 1. Volcanic Eruptions. Volcanoes – areas of Earth’s surface through which magma and volcanic gases pass. In seconds a volcanic eruption can turn an entire mountain into a cloud of ash and rock. observations. . of . the. . failed. . eruption. of . the. . magnetic. . flux. . rope. Tomasz Mrozek. Astronomical. . Institute. University. of Wrocław. CSHKP (. „standard”) . model. bipolar. By Robbie Barker, Maximilian Bryson, and Brendan . P. etrili. What is a volcano. A volcano is an opening in the Earth’s surface through which magma rises.. Formation of volcanoes. 1.Most volcanoes occur at colliding boundaries.. VOLCANOES.. What is a volcano?. A volcano is a mountain that opens . below . to a pool of molten rock . called a magma chamber below . the surface of the earth. When . the pressure . builds up, eruptions take place. . Learning Objective. : To be able to identify and describe the two different types of eruption. Effusive Eruptions…. Key Ideas:. Occur when hot, runny magma reaches surface. Gasses can escape more easily so less pressure builds up. First sign’s. The first signs of the eruption was an earthquake in ad. 62. But everyone in the small town just thought it was a sign of the gods so they had 2 sacrifices . The town was nearly destroyed but no one panicked . By Karanasiou Katerina B1. 07/02/2017. Volcano…. Volcano is open passageway from the interior of the Earth that allows blast rock and gases from the interior to the cortex surface in the form of lava. This activity creates mountains. Lesson Objective:. To be able to explain the cause, impacts and response of a volcanic eruption in an LIC. Characteristics of volcanoes. lava flow. Wind can blow ash a long way, which causes it to affect a large area by covering crops and roads; collapsing roofs because of the weight and suffocating animals and humans. . Volcanoes. What are they?. Would you want to live near one?. The truth is…. Many types of eruptions are not the “explosive type” we . imagine…. Effusive eruption . .  . Explosive eruption. Source: Eyevine. Volcanic Monitoring & . Hazards. Lava Flows. Explosive blasts. Pyroclastic flows. Volcanic ash. Lahars. Volcanic . gases. USGS. USGS. 1. Monitoring. Volcanoes. The USGS Volcano Hazards Program monitors volcanoes for signs of possible activity. . .. Module Capstone: The Assignment. Investigate . Mt. Toba . eruption.. Utilizing . the same research techniques you used in Part A, write a brief summary of the Toba event (150 word minimum). . TOBA. feedbacks must have amplified or lengthened the stratospheric forcing or the climate system would have had to have been at a tipping point and a little nudge from a short-term but large reduction in s