1. Sofía Tovar Figueroa Listening and Speaking V 2. PLATES TECTONICS 3. 220 years ago. 4. Over 220 million years ago the earth was formed by a unique structure called "Pangea"…

1. The Water Planet 2. A. The Geography of the Ocean Basins The oceans cover 71% of the planet and regulate itsclimate and atmosphereThere are four ocean basins Pacific…

PowerPoint Presentation Anatomy of a megathrust earthquake rupture: The 2010 Mw 8.8 Maule, Chile quake Stephen Hicks, Andreas Rietbrock, Isabelle Ryder Liverpool Earth Observatory,…

UNIT 7: INTERNAL ENERGY AND RELIEF ⢠As we saw in unit 6, there are convection currents in the mantle. ⢠These currents cause the lithospheric plates to move and sometimes…

NTUT Academic Writing (VII): An Overview on Paragraphs ＊Paragraph Structure: Topic Sentence: not only names the topic but also limits the topic to one or two areas or called…

Slide 1Landforms, Rocks, and Minerals Chapter 7 Slide 2 What Makes the Crust Move? Earth’s crust is constantly moving, if not in one place then in another. Sometimes it…

Slide 1 Slide 2 Volcanoes by Jim Alton Click the volcano below to go to the next slide. Slide 3 What are volcanoes? Slide 4 Today we will look at: Where they occur “Continental…

Slide 1 The Earth Slide 2 The Theory of Plate Tectonics The theory that Earth’s lithosphere is divided into tectonic plates that drift on the athenosphere. Divided into…

Slide 1 Features of the Ocean Floor How do you imagine the ocean floor? It may be a surprise but….. Slide 2 The Ocean floor looks like this…. Slide 3 4 main features…

Slide 1 Litoshpere..Crust & Rigid upper mantle Astenosphere – weak and capable of flow Oceanic and Continental crust Oceanic – 6-12 km thick, dense heavy, basalt,…