Today we wrap up the first half of our series on physical geography by taking a closer look at natural hazards - which are physical processes like heat waves and cyclones, earthquakes and volcanic eruptions, and floods and droughts. And when these natural events cause significant harm to humans, we call them natural disasters. So today we'll explore the ways geographers analyze and track these events, and take a closer look at the human impact of Hurricane Katrina in New Orleans and The Boxing Day Tsunami on the Andaman and Nicobar islands.

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#CrashCourse #Geography #NaturalHazards

Grumpy Professor Hank admits to being wrong about how everything is chemicals. But he now wants you to listen as he blows your mind with a new sweeping statement: everything (yes, really everything this time) is energy. What?!

This week, Hank takes us on a quick tour of how thermodynamics is applied in chemistry using his toy trebuchet as an example because he is a proud nerd.

Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!

Download it here for Apple Devices: https://apple.co/3d4eyZo
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Table of Contents
Everything Is Energy 0:00
Forms of Energy 1:07
Potential Energy 2:11
Chemical Energy 1:55
Energy Is Constant & Law of Thermodynamics 2:49
System & Surroundings 5:03
Energy Transfer 4:57
Work 3:25
Heat 4:05
Trebuchets 0:48

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How do the groups that you're part of affect you? How do you, in turn, affect those groups? Today we are talking about how people in society come together with a look at social groups. We’ll look at what social groups are, the different kinds of groups that exist, group dynamics, leadership, conformity, networks and more!

Crash Course is made with Adobe Creative Cloud. Get a free trial here: https://www.adobe.com/creativecloud.html


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Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Mark, Les Aker, Bob Kunz, mark austin, William McGraw, Jeffrey Thompson, Ruth Perez, Jason A Saslow, Shawn Arnold, Eric Prestemon, Malcolm Callis, Steve Marshall, Advait Shinde, Rachel Bright, Khaled El Shalakany, Sam Hickman, Ian Dundore, Asif Ahmed, Tim Curwick, Ken Penttinen, Dominic Dos Santos, Caleb Weeks, Frantic Gonzalez, Kathrin Janßen, Nathan Taylor, Yana Leonor, Andrei Krishkevich, Brian Thomas Gossett, Chris Peters, Kathy & Tim Philip, Mayumi Maeda, Eric Kitchen, SR Foxley, Tom Trval, Andrea Bareis, Moritz Schmidt, Jessica Wode, Daniel Baulig, Jirat
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Now that you have a solid understanding of the media landscape, it’s time to equip you with the essential skills for navigating it.

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Resources:

NAMLE on Media Literacy https://namle.net/publications..../media-literacy-defi

Digital divide persists even as lower-income Americans make gains in tech adoption http://www.pewresearch.org/fac....t-tank/2017/03/22/di

The numbers behind the broadband ‘homework gap’ http://www.pewresearch.org/fac....t-tank/2015/04/20/th

McDonald's: you can sneer, but it's the glue that holds communities together https://www.theguardian.com/bu....siness/2016/jun/08/m

Digital Na(t)ives? Variation in Internet Skills and Uses among Members of the ‘‘Net Generation’’* http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.462.7343&rep=rep1&type=pdf

Stanford researchers find students have trouble judging the credibility of information online https://ed.stanford.edu/news/s....tanford-researchers-

FCC net neutrality process ‘corrupted’ by fake comments and vanishing consumer complaints, officials say https://www.washingtonpost.com/news/the-switch/wp/2017/11/24/fcc-net-neutrality-process-corrupted-by-fake-comments-and-vanishing-consumer-complaints-officials-say/?noredirect=on&utm_term=.d8b6a55f90f8

Teaching Adolescents How to Evaluate the Quality of Online Information https://www.edutopia.org/blog/....evaluating-quality-o

When teens create the news: examining the impact of PBS/news hour student reporting labs https://mediaeducationlab.com/....sites/default/files/

London School of Economics EU Kids Online: September 2011 http://www.lse.ac.uk/media%40l....se/research/EUKidsOn

***

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Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Mark Brouwer, Glenn Elliott, Justin Zingsheim, Jessica Wode, Eric Prestemon, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Divonne Holmes à Court, Brian Thomas Gossett, Khaled El Shalakany, Indika Siriwardena, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, Evren Türkmenoğlu, D.A. Noe, Shawn Arnold, mark austin, Ruth Perez, Malcolm Callis, Ken Penttinen, Advait Shinde, Cody Carpenter, Annamaria Herrera, William McGraw, Bader AlGhamdi, Vaso, Melissa Briski, Joey Quek, Andrei Krishkevich, Rachel Bright, Alex S, Mayumi Maeda, Kathy & Tim Philip, Montather, Jirat, Eric Kitchen, Moritz Schmidt, Ian Dundore, Chris Peters, Sandra Aft, Steve Marshall
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So, electric current works like a river... kinda... Instead of flowing based on elevation, electric current works a little differently. But it's a good metaphor. In this episode of Crash Course Physics, Shini talks to us about electric current, voltaic cells, and how we get electric charge.

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Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

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Today, Craig Benzine is going to dive into the factors that influence judicial decisions. As you may have noticed, the Supreme Court recently handed down some pretty big decisions on same-sex marriage (in Obergefell v Hodges) and the Affordable Care Act (in King v. Burwell). Now, it's important to remember that these decisions are not made in a vacuum, but influenced by the other branches of government, political affiliations, and past court decisions. We’re also talk about a judge’s judicial philosophy - that is their relative restraint or activism in making decisions on laws. Judicial restraint is often equated with conservatism, but as we’ll show you, this is not always the case.

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Support is provided by Voqal: http://www.voqal.org

All attributed images are licensed under Creative Commons by Attribution 2.0

https://creativecommons.org/li....censes/by/2.0/legalc

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Here it is, folks: the end. In our final episode of Crash Course Astronomy, Phil gives the course a sendoff with a look at some of his favorite topics and the big questions that Astronomy allows us to ask.

Thank you for watching.

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Watching in 2021 or later? Learn about the James Webb Space Telescope's long journey to launch here: https://youtu.be/ieR7R2UzQC8

Want to learn more about some of the strangest planets in the universe? Check out this video from our sister channel, SciShow Space: https://youtu.be/FIJ8dOwPyC4

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Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/product....s/crashcourse-astron
--
Chapters:
Introduction: Are We Alone in the Universe? 00:00
The Search for Earth-like Exoplanets 1:14
Is There Alien Life in the Universe? 4:43
SETI: The Search for Extraterrestrial Intelligence 6:16
Let's Explore the Universe! 8:29
--
PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Follow Phil on Twitter: https://twitter.com/badastronomer

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--

PHOTOS/VIDEOS
Exoplanet, thick atmosphere - Artist’s Impression http://www.nasa.gov/images/con....tent/681727main_kepl [credit: NASA/JPL-Caltech/T. Pyle]
Exoplanet, Earth-like - Artist’s Impression http://www.gemini.edu/images/p....io/News/2014/pr2014_ [credit: NASA Ames/SETI Institute/JPL-CalTech]
James Webb Space Telescope http://www.stsci.edu/~levay/pr....esres/jwst/jwst05_ne [credit: Northrop Grumman Space Technology]
Hubble's High-Definition Panoramic View of the Andromeda Galaxy http://hubblesite.org/newscent....er/archive/releases/ [credit: NASA, ESA, J. Dalcanton, B.F. Williams, and L.C. Johnson (University of Washington), the PHAT team, and R. Gendler]
Bennu's Journey http://svs.gsfc.nasa.gov/cgi-b....in/details.cgi?aid=2 [credit: NASA's Goddard Space Flight Center Conceptual Image Lab]
Wedding Lanterns https://www.flickr.com/photos/....jirka_matousek/12431 [credit: Jirka Matousek]
Balloon https://en.wikipedia.org/wiki/....Project_Echo#/media/ [credit: NASA]
Naked-eye Venus photo taken by Phil Plait
Cygnus Reentry https://www.flickr.com/photos/....astro_alex/147606600 [credit: ESA/NASA]
Moon http://www.eso.org/public/arch....ives/images/large/po [credit: G. Gillet/ESO]
Progress M-10M reentry plasma trail https://commons.wikimedia.org/....wiki/File:Progress_M [credit: NASA]
Alien Worlds https://www.cfa.harvard.edu/si....tes/www.cfa.harvard. [credit: David Aguilar / CfA]
Beyond the Visible: The Story of the Very Large Array https://www.youtube.com/watch?v=RqX9vLj3_7w [credit: NRAO]
Barred spiral bares all http://www.spacetelescope.org/images/potw1035a/ [credit: ESA/Hubble & NASA]
Hi hello https://www.flickr.com/photos/....bencanales/874589076 [credit: Ben Canales, http://www.thestartrail.com/]

How do traits get passed down in our DNA? And what do genes have to do with cat fur? In this episode of Crash Course Biology, we’ll untangle the simplest patterns of inheritance, and reassure our redheaded friends—you’re not going anywhere.

Chapters:
Are Redheads Going Extinct? 00:00
Alleles & Traits 1:32
Patterns of Inheritance 4:50
Autosomal Dominance 5:56
Incomplete Dominance 7:51
Codominance 8:47
Review & Credits 10:20

This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information.

Check out our Biology playlist here: https://www.youtube.com/playli....st?list=PL8dPuuaLjXt

Watch this series in Spanish on our Crash Course en Español channel here: https://www.youtube.com/playli....st?list=PLkcbA0DkuFj

Sources: https://docs.google.com/docume....nt/d/1GLDtAXE6ekg4Ch

BBC Teach is partnering with the Wizarding World to offer students an introduction to the myriad of roles and careers available on a film production in this exciting interactive lesson.

Aimed at inspiring students of all ages and introducing them to a range of potential careers within the film industry, this is the perfect opportunity to link curriculum to the world of work and make learning come to life.

Taking place inside the iconic Great Hall at Warner Bros. Studio Tour London - The Making of Harry Potter, award winning journalist Mobeen Azhar and BBC Radio 1's Katie Thistleton are joined by industry professionals who have worked on the Harry Potter and Fantastic Beasts films.

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For the BBC Teach website: https://www.bbc.co.uk/teach

For free teachers notes: https://www.bbc.co.uk/teach/careers-in-film/z7yh6v4

SUBSCRIBE TO BBC TEACH YOUTUBE: https://www.youtube.com/bbctea....ch?sub_confirmation=

=====================

Get in touch on:
TWITTER: https://twitter.com/bbc_teach
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For more episodes and free, supporting teachers' notes: https://www.bbc.co.uk/teach/sc....hool-radio/assemblie

St George's Day is celebrated throughout England on 23 April. But what do we know about the real St George?

This short film is from the series Patron Saints.

It is designed to be a classroom resource suitable for teaching Religious Studies at KS1/KS2 in England, Wales and Northern Ireland, and 1st and 2nd Level in Scotland.

For more content like this, visit the BBC Teach website. Whether you're at home or at school, you can use BBC Teach for free. Our website is home to thousands of free curriculum-mapped videos, arranged by age-group and subject: https://www.bbc.co.uk/teach

Subscribe to the BBC Teach YouTube channel: https://www.youtube.com/bbctea....ch?sub_confirmation=

Get in touch via Facebook: https://www.facebook.com/BBCTeach/

Find more resources on BBC Bitesize: https://www.bbc.co.uk/bitesize

This short film features ideas on how to help pupils from disadvantaged backgrounds.
St Paul's CE Primary School in Stoke-on-Trent is a surrounded by areas of high deprivation. The school hands out basic food and hygiene packages to families in need. Staff also wash clothes on site for pupils who don’t have access to a washing machine.
Head Teacher, Nicola Finney says: “Never be afraid to ask the question - is everything okay? I see our school as a family, as a community. And if somebody in that family needs some support then we're going to support that family member. We're not going to turn our back on them.”
Barriers to success aren’t just limited to a lack of food or clothing.
Sarah Boyle, who teaches English at Falinge Park High School in Rochdale says: “We have a lot of young people who come to our school who have minimal understanding of English perhaps even minimal understanding of what a school day looks like and how a school day normally runs.” She runs a school debating team to help give students more confidence with their language skills.

For more Teacher Support resources: For BBC Teach Teacher Support: https://www.bbc.com/teach/teacher-support

Get in touch on:
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SUBSCRIBE TO BBC TEACH YOUTUBE: https://www.youtube.com/bbctea....ch?sub_confirmation=

New mental health and wellbeing resources for teachers.

“Sometimes I feel I'm more stressed than the pupils are.”

Teachers tell all in the first of a new series of short films on BBC Teach.

If you’re feeling under intense pressure during exam season, you’re not alone.

In this short film teachers speak frankly and honestly about this most testing of times.

From reassuring panicked students to the relentless countdown to exams and results day, their experiences will be familiar to most education professionals.

One teacher says: “I've seen some terrible things, I've had students who have felt the pressure so much that they've become suicidal and again sadly that [poor] mental health of students is something we're seeing more which I think affects teachers because you feel like you're doing it to them even though we're just a little cog in this machine.”

Another admits: “I've done everything I physically can to make sure that they succeed. And that's given me a lot of countless sleepless nights and feeling - am I good enough?”

We’ve created a BBC Teach support area with top tips to help get you through exam season. And we’ll be adding more new films in the coming weeks with teachers sharing their experiences.

=====================

For BBC Teach Teacher Support: https://www.bbc.com/teach/teacher-support

Get in touch on: TWITTER: https://twitter.com/bbc_teach
FACEBOOK: https://www.facebook.com/BBCTeach/


SUBSCRIBE TO BBC TEACH YOUTUBE: https://www.youtube.com/bbctea....ch?sub_confirmation=

For more episodes and free, supporting teachers' notes: https://www.bbc.co.uk/teach/sc....hool-radio/primary-a

This video celebrates Midsummer's Day and the summer and winter solstices. It can also be used to celebrate the beauty of the natural world and explore the seasons.

This short film is from the series School Radio Assemblies.

It is designed to be a classroom resource suitable for assemblies and for teaching PSHE at KS1 and KS2 in England and Wales, KS1 and KS2 in Northern Ireland, and First and Second Level in Scotland.

For more content like this, visit the BBC Teach website. Whether you're at home or at school, you can use BBC Teach for free. Our website is home to thousands of free curriculum-mapped videos, arranged by age-group and subject: https://www.bbc.co.uk/teach

Subscribe to the BBC Teach YouTube channel: https://www.youtube.com/bbctea....ch?sub_confirmation=

Get in touch via Facebook: https://www.facebook.com/BBCTeach/

Find more resources on BBC Bitesize: https://www.bbc.co.uk/bitesize

For more episodes and free, supporting teachers' notes: https://www.bbc.co.uk/teach/sc....hool-radio/assemblie

The video celebrates World Oceans Day which happens each year and is intended to raise awareness of the threats facing the marine environment, including plastic pollution, rising sea temperatures linked to climate change, and over-fishing.

This short film is from the series School Radio Assemblies.

It is designed to be a classroom resource suitable for assemblies or for teaching PSHE at KS1 and KS2 in England and Wales, KS1 and KS2 in Northern Ireland, and First and Second Level in Scotland.

For more content like this, visit the BBC Teach website. Whether you're at home or at school, you can use BBC Teach for free. Our website is home to thousands of free curriculum-mapped videos, arranged by age-group and subject: https://www.bbc.co.uk/teach

Subscribe to the BBC Teach YouTube channel: https://www.youtube.com/bbctea....ch?sub_confirmation=

Get in touch via Facebook: https://www.facebook.com/BBCTeach/

Find more resources on BBC Bitesize: https://www.bbc.co.uk/bitesize

For teachers' notes and more episodes: https://www.bbc.co.uk/teach/cl....ass-clips-video/hist

The circumstances which led to The Gunpowder Plot of 1605.

The first episode begins in the present at a Bonfire Night celebration where we meet a rat called Maureen. Maureen then takes us back through time to introduce one of her ancestors, a rat living in London in 1605 at the time of The Gunpowder Plot.

Pupils will learn that The Plot was a consequence of the continuing tensions between Protestants and Catholics in England and that in 1605 Catholics felt persecuted by James I, who had become king two years earlier.

Pupils are introduced to two key plotters - Robert Catesby and Guy Fawkes - and find out about their plan to kill King James I by blowing up the Houses of Parliament.

This clip is from the series History KS1: The Gunpowder Plot.

Suitable for teaching History at KS1 in England, Wales and Northern Ireland and 1st Level in Scotland.

For BBC Teach website: https://www.bbc.com/teach


For free in depth teachers notes, follow the links via the cards.

SUBSCRIBE TO BBC TEACH YOUTUBE: https://www.youtube.com/bbctea....ch?sub_confirmation=

=====================

Get in touch on:
TWITTER: https://twitter.com/bbc_teach
FACEBOOK: https://www.facebook.com/BBCTeach/

More resources from BBC Bitesize: https://www.bbc.co.uk/bitesize

For more episodes and free, supporting teachers' notes: https://www.bbc.co.uk/teach/cl....ass-clips-video/hist

In episode 3 we discover what happened to the city after the fire, the role of Christopher Wren in rebuilding the city and how we remember the fire today.

This short film is from the series The Great Fire of London.

It is designed to be a classroom resource suitable for teaching History at KS1 in England, Wales and Northern Ireland, and at 1st Level] in Scotland.

For more content like this, visit the BBC Teach website. Whether you're at home or at school, you can use BBC Teach for free. Our website is home to thousands of free curriculum-mapped videos, arranged by age-group and subject: https://www.bbc.co.uk/teach

Subscribe to the BBC Teach YouTube channel: https://www.youtube.com/bbctea....ch?sub_confirmation=

Get in touch via Facebook: https://www.facebook.com/BBCTeach/

Find more resources on BBC Bitesize: https://www.bbc.co.uk/bitesize

For more episodes and free, supporting teachers' notes: https://www.bbc.co.uk/teach/sc....hool-radio/assemblie

Each year on 14 February we celebrate St Valentine's Day by giving our loved ones cards or gifts, such as flowers or chocolates. But who was Valentine and what do we know of him?

This short film is from the series Patron Saints.

It is designed to be a classroom resource suitable for teaching Religious Studies at KS1/2 in England, Wales and Northern Ireland, and 1st and 2nd Level in Scotland.

For more content like this, visit the BBC Teach website. Whether you're at home or at school, you can use BBC Teach for free. Our website is home to thousands of free curriculum-mapped videos, arranged by age-group and subject: https://www.bbc.co.uk/teach

Subscribe to the BBC Teach YouTube channel: https://www.youtube.com/bbctea....ch?sub_confirmation=

Get in touch via Facebook: https://www.facebook.com/BBCTeach/

Find more resources on BBC Bitesize: https://www.bbc.co.uk/bitesize

For more episodes and free, supporting teachers' notes: https://www.bbc.co.uk/teach/cl....ass-clips-video/hist

Maureen the rat takes us back through time to one of her ancestors, a rat living in London in 1666 at the time of The Great Fire of London.

In this episode we learn how the fire spread across the city and how the Lord Mayor, Samuel Pepys and King Charles II were involved alongside ordinary citizens.

This short film is from the series History KS1: The Great Fire of London.

It is designed to be a classroom resource suitable for teaching History at KS1 in England, Wales and Northern Ireland, and 1st Level in Scotland.

For more content like this, visit the BBC Teach website. Whether you're at home or at school, you can use BBC Teach for free. Our website is home to thousands of free curriculum-mapped videos, arranged by age-group and subject: https://www.bbc.co.uk/teach

Subscribe to the BBC Teach YouTube channel: https://www.youtube.com/bbctea....ch?sub_confirmation=

Get in touch via Facebook: https://www.facebook.com/BBCTeach/

Find more resources on BBC Bitesize: https://www.bbc.co.uk/bitesize

TeacherTube User: ybeunier

TeacherTube URL: http://www.teachertube.com/vie....wVideo.php?video_id=

This is a math video lesson to help you with new math, math tricks, and or simple math questions you may have.

Problem Solving Using Polynomial Equations

WEBSITE: http://www.teachertube.com Evaluating Trigonometric Expressions