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Plate Tectonics - Earth Like a Puzzle - Children learn about plate tectonics, earthquakes, and volcanoes at this site in Scripps Institution of Oceanography

Plate Tectonics - Earth Like a Puzzle - Children learn about plate tectonics, earthquakes, and volcanoes at this site in Scripps Institution of Oceanography
by Nan Criqui Most people know that Earth is moving around the Sun and that it is constantly spinning. But did you know that the continents and oceans are moving across the surface of the planet? Less than 100 years ago, many scientists thought the continents always had been the same shape and in the same place. Putting the Puzzle Together... Related:  Plate TectonicsGeografiGeografi

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David Rumsey Historical Map Collection | The Collection Introduction to Earthquakes Plate Tectonics Lesson Summary Overview According to the theory of plate tectonics, Earth's crust is composed of a number of individual plates that change shape and position over time. The ocean floors are continually moving — spreading from the center, sinking at the edges, and being regenerated.Convection currents beneath the plates are responsible for plate movement.The source of energy responsible for generating the heat and convection currents that move the plates is most likely radioactivity deep in Earth's mantle. In this lesson, students are introduced to the theory of plate tectonics and explore how the theory was developed and supported by evidence. Objectives Understand how Earth is dynamic and how moving plates form ocean basins, mountain ranges, islands, volcanoes, and earthquakesIdentify the three general categories of plate boundaries recognized by scientists: convergent, divergent, and transformUnderstand how the theory of plate tectonics was developed and supported Grade Level: 6-8 1. 2.

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Breathingearth - CO2, birth & death rates by country, simulated real-time What I think about when I think about thinking about running · The42 I STARTED RUNNING almost 18 months ago. If you think my next sentence is going to be: ‘So now I’m training for my first half marathon, after doing six 10ks and a handful of 5ks’, well, my friend, you have more faith in me than I do. I’ve racked up a grand total of two 5k races, and my usual runs are between 3k and 5k, depending on how I’m feeling and if I’m on a good running streak. I’m aiming to get to 10k before the end of this year, which, if you read any running blog or chat to any runner, probably seems very conservative for someone who’s been running for this long. But, as I’ve discovered, running really does show you who you are. And I’m still that scatter-brained person who juggles motivation and laziness on a daily basis. And yet, somehow I manage to drag myself out for a run. As a novice lazy runner, these are the running truths as I now know them. You don’t need as much gear as you think – but you need some nice gear This just happens to be what helped motivate me. Do you run?

Cracking Up: Plate Tectonics, Volcanism, and the Structure of the Earth Model the structural layers of the Earth, investigate the data that led to the theory of plate tectonics, and discover the relationship between plate tectonics and earthquakes, volcanos, and mountains, through data analysis and hands-on activities. Preliminary Concepts Igneous: this rocks form as liquid magma or lava cools; the crystals that form are interlocking Metamorphic: this rock forms from existing (not molten) rocks under heat and/or pressure; the crystals are interlocking and have a preferred orientation Sedimentary: rocks are cemented together; not formed from crystals but from pieces or precipitants One common misconception is that layered rocks are always sedimentary; in fact, many metamorphic rocks are layered, and even a few igneous rocks can have layers. Activities Modeling Rock Processes Plate Tectonic Activities Resources

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