General Science.  The Earth’s Spheres Our planet formed 4.5 billion years ago. Since then, it has developed and modified four main physical environments that interact…

Slide 1Changes to the Earth’s surface Slide 2 The changing Earth The surface of the Earth is always changing. Slide 3 The Rock cycle The rock cycle shows how rocks change…

1. Prepared in cooperation with thePennsylvania Department of Conservation and Natural Resources,Bureau of Topographic and Geologic SurveyBaseline Groundwater Quality from…

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. In 1910, Alfred Wegenerdeveloped the hypothesisthat all the continents hadbeen joined together in a singleland mass and have drifted apart. 2. This single land mass was…

1. Continental drift theory 2. According to the hypothesis of continental drift, continents have moved slowly to their current locations.Theory of continental was purposed…

1. World Geography and Culture (SS 105A) Victor Rea Oribe 2. Which of these places represents the REAL WORLD? All of them, plus many, many more. 3. Is the World Your Elephant?…

Slide 1 Earthquakes and Volcanoes Chapter 9 1 phsc001, chapter9, yuc Slide 2 Earth’s Internal Structure Three regions Crust : thin outer shell - Continental part - Oceanic…

Slide 1 Bell Ringer What is the theory of evolution? How do fossil records prove this theory? Give two examples of animal fossils found that give evidence to support the…

Slide 1 Slide 2 Geologic Time Scale Ch 18 Slide 3 Geologic Time Scale Law of superposition- youngest is on top oldest on bottom Law of superposition- youngest is on top oldest…