Slide 1 Slide 2 In Night At The Museum A Dinosaur Skeleton Comes Alive! Slide 3 TYRANNOSAURUS REX Written and Illustrated by ERIC AND POUYA A Book Alive at the Henry Barnard…

Slide 128 Lecture 1b: Plate Tectonics: the Earth as a System Up to ~40 years ago, geology was a large collection of somewhat disconnected observations and local knowledge.…

Slide 1The Seafloor Slide 2 The oceans are classified into four major basins The oceans are classified into four major basins Pacific Pacific Atlantic Atlantic Indian Indian…

1.12. The Earth is layered knowledge of layering is recent (late 1800s); prior to that, only knew interior must be hot (volcanoes) 3. mean density ~ 5500 kg/m3, but surface…

1.Pangaea 300 million years ago, the supercontinent Pangaea dominated our planet. 200 million years later, Pangaea broke into pieces called continents. 2. AMERICA AFRICA…

1. Pre-Columbian Times Age Previous to Exploration and Discovery 2. Pangaea ALFRED WEGENER AND PANGAEA In 1915, the German geologist and meteorologist Alfred Wegener (1880-1930)…

1.   2. Areas of Interest Plate Tectonics Plate Boundaries Causes of Plate Tectonics Evidences Earth Tectonic Plates 3. Plate Tectonics 4. Plate tectonics(fromGreek tektōn"builder")…

1. Vocabulary for Plate Tectonics • Wegener published this theory in his 1915 book, On the Origin of Continents and Oceans. In it he also proposed the existence of the…

1. CH. 8 – PLATE TECTONICS 2. Continental Drift 1915:Alfred Wegener - hypothesized the supercontinent Pangaea (“all land”) 3. Plate Tectonics WWIINew technology = echosounder…

1. 4.2The Earth 2. Terrestrial compositionThe four terrestrial planets all have similar internal features:Dense, metallic coreLess dense, liquid-like mantleLow-density, solid…