A Brief Introduction to Minerals

Hi, everyone in this video. We’re going to be talking about Minerals, so let’s get started What are minerals anyway well in the simplest sense of the term minerals are the building blocks of rocks? Here’s a rock. This is a piece of the igneous rock called granite if you look carefully at this chunk of granite You’ll see all sorts of speckles of Gray and white and black and if you in You’ll see that these are crystals mineral crystals this particular piece granite has the mineral quartz Biotite Mica and Plagioclase feldspar We’ll study these more detail later […]

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Why Earthquakes Are So Hard To Predict

Hi, this is Alex, from MinuteEarth. San Francisco has been hit by a gigantic earthquake at the least once every hundred years going back so far as we all know. So the individuals of San Francisco know that someday in the subsequent a hundred years, theyre prone to get shaken again by way of a enormous quake. But we can’t say exactly when the quake would hit. Right now, all we will do is assemble shake-proof buildings and put out seismic sensors. That means, when an earthquake sends out underground waves, which travel from its epicenter eight occasions rapid than […]

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Earth’s Tilt 2: Land of the Midnight Sun

Think that you just live in North america, and sooner or later you call up your buddy in Norway, up by means of the North Pole. You guys are speakme, and you are making plans to go talk over with him next summer. So any time subsequent summer season works for you? Yep. Any time is excellent for me. Adequate, how about June? That’s summer for you, correct? Of course. In a few months, June rolls round, and also you hop on the plane for your Norwegian trip. You guys are hanging out one night time, when he says– I […]

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