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Scientific Principles In Action Every Day

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Science is the study of the world around us, from geology to zoology, and from physics to chemistry. The word “science” comes from the Latin “scientia,” which translates as “knowledge.” It’s fitting that the two words are related in this way, since science is at the very root of everything we have learned, and everything we still have to learn, about our planet and ourselves.

For centuries, scientists have sought to make sense of how and where we live, seeking out patterns and behaviors, creating hypotheses, and testing them to see if they hold water. Once proven, these become a part of the scientific rules or principles which are known to govern the world that we live in, and a part of our day-to-day lives. These aren’t lab experiments; this is science in action, the kind of rules you can observe around you every single day.

05:04
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Understanding the Doppler Effect (or, why does that siren sound so funny?) You hear an ambulance outside, siren blaring. It approaches and passes by -- and you notice an obvious change in pitch. What is going on here? Let's use physics to find out! License: Creative Commons BY-NC-SA More information at http://k12videos.mit.edu/terms-conditions
06:58
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Bernoulli's equation of total energy

from Khan Academy

NOTE: All Khan Academy content is available for free at www.khanacademy.org.

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Learn how total energy of a fluid helps explain why fluids can move from low pressure to high pressure! Rishi is a pediatric infectious disease physician and works at Khan Academy.
04:53
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Everyone is familiar with liquid water, ice and water vapour, but what are the differences between these three states of matter? Solids, liquids and vapours of the same substance differ in the motion of the molecules and the distance between them. Animations courtesy of VisChem (Trade Mark), Copyright 1995, Roy Tasker. Thanks for all your help!
01:19
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An introduction to Earth's magnetic field: what it is, where it comes from and what it's used for. This is the first of three videos: Magnetic field: an introduction Magnetic field: why it matters: http://youtu.be/6vYzVdSxjUs Magnetic field: learning more with Swarm http://youtu.be/Wn-BV9Zp8Pk
03:05
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Does your toilet water drain differently than in the other hemisphere? Is it because of the Coriolis effect? Hank has some things to clarify about these questions, and more in this edition of I Don't Think It Means What You Think It Means. Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow -- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Sources http://www.snopes.com/science/coriolis.asp http://science.howstuffworks.com/science-vs-myth/everyday-myths/rotation-earth-toilet-baseball2.htm http://www.ems.psu.edu/~fraser/Bad/BadCoriolis.html http://oceanservice.noaa.gov/education/kits/currents/05currents1.html http://education.nationalgeographic.com/education/encyclopedia/coriolis-effect/?ar_a=1 http://en.wikipedia.org/wiki/File:Gustave_coriolis.jpg
03:10
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Specific gravity

from Khan Academy

NOTE: All Khan Academy content is available for free at www.khanacademy.org.

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04:24
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Refraction in water

from Khan Academy

NOTE: All Khan Academy content is available for free at www.khanacademy.org.

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Refraction in Water
06:03
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Have you ever wondered why doorknobs occasionally shock you? The answer involves static electricity. Join Robert and Julie as they explain static electricity in a fascinating and hair raising experiment. Subscribe | http://bit.ly/stbym-sub Homepage | http://bit.ly/stbym-hsw-home Listen to us | http://bit.ly/stbym-itunes Like us | http://bit.ly/stbym-fb Follow us | http://bit.ly/stbym-twitter Google+ | http://bit.ly/stbym-gplus Prepare for a trip down the rabbit hole as Robert Lamb and Julie Douglas lead you on a scientific journey to the very limits of human understanding. "Stuff to Blow Your Mind" examines neurological quandaries, cosmic mysteries, evolutionary marvels and the technological underpinnings of our transhuman future.
05:18
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Just how orderly is everything around us, from a set of 3 dice to all of the stars above us? License: Creative Commons BY-NC-SA More information at http://k12videos.mit.edu/terms-conditions