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8 Water and its impurities

Water must be of a certain quality to be suitable for human consumption. No natural water found on Earth is pure; any sample of water contains more than just water molecules. Some materials, such as sodium nitrate, are very soluble and dissolve in water in large quantities, whereas other materials are much less soluble. This is just as well, otherwise rain would dissolve all the rocks and they would end up in the oceans!

Drinking water must not contain harmful materials, which means bot
Author(s): The Open University

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Copyright © 2016 The Open University

Archaeology: the science of investigation
Archaeology is about reconstructing the physical past to obtain an understanding of how different civilisations and cultures have evolved over time. In this album, archaeologists from the British Museum explain the scientific processes involved in the discovery, investigation and interpretation of a variety of artefacts, such as skeletons, coins, textiles and metal artefacts unearthed at sites such as the famous Iron Age burial at Sutton Hoo, and Tell es-Sa'idiyeh in Jordan. The album also revea
Author(s): The iTunes U team

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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

Otis Ben Maltz Gallery: Meticulosity Promo
Meticulosity features the work of 11 Southern California based artists and 3 poets who work in genres ranging from painting to installation and ceramics and digital formats. Artists: Tanya Batura, Hilary Brace, Eileen Cowin, Linda Hudson (faculty member), Gegam Kacherian, Sandeep Mukherjee ('96), Ross Rudel, Linda Stark, Arthur Taussig, Elizabeth Turk, Samira Yamin. Poets: Guy Bennett, Dennis Phillips, Martha Ronk.
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European Flags
In this video children can try to recognize the flags of the 50 countries in Europe. The flag of each country in Europe is shown first and then the names of the countries are given in 12 languages, which are English, French, German, Spanish, Italian, Portuguese, Dutch, Russian, Greek, Turkish, Swedish and Finnish.
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Optellen en aftrekken tot 1000 : Wandplaten
optellen_tot_1000_oplossingsstrategie.png

Op deze wandplaten staat de oplossingsstrategie voor oefeningen van het type HTE+HTE en HTE-HTE met brug.


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A Sham Recovery
Interviewed by host Alan Butler, Mark Thornton discusses a wide variety of timely topics.

An Everglades Visit
Have you ever wondered why a particular plant grows near your home or why you find so many rocks of the same type in one area? Usually, there isn't a single simple answer to such questions. This is because many of Earth's materials, processes, and organisms are inextricably linked to many others. Such is the case with the unique environment of Florida's Everglades. In this adapted video segment, ZOOM guest Tommy takes you into the Everglades and describes what he loves about mucking ar
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Make a Pendulum
Worksheet with instructions on how to make a pendulum and exploring its properties. Also provides opportunities for the recording of predictions and measurements.
Author(s): Martin Whyte

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Rights not set

Summer Break
Привет всем! Looks like it's going to be a long summer break for you and a busy summer for me:) From now till the new academic year my family will be going back and forth to Charlotte, NC to settle things concerning our new residence, my husband's new job and our kids' new schools. In addition to that we are still working on getting visas for our trip to Russia in August. (What a lengthy process!)...

I haven't seen my family and friends in Russia in 7 years, and it's quite

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Galileo and the Telescope
This video describes how free thinker Galileo took others ideas and turned them around. He used these ideas to help him create the telescope and use it as a tool that has taught us much about outer space.
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Cory Doctorow on Why it's a Bad Idea to Regulate Computers
Big Ideas presents Cory Doctorow on Why it's a Bad Idea to Regulate Computers the Way We Regulate Radios, Guns, Uranium and Other Special-Purpose Tools
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Male Giant Panda Bear Dust Bathing
This short video gives excellent real life footage of a male Giant Panda dust bathing. This is a great resource to help build background knowledge and to help make real world connections between nature and the classroom. (Less Than 2 Minutes)
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In Conversation Mickalene Thomas and Carrie Mae Weems
Artists Mickalene Thomas and Carrie Mae Weems talk with curator Eugenie Tsai about using their work to challenge conventional ideas of beauty, race, and gender. Mickalene Thomas: Origin of the Universe September 28, 2012 -- January 20, 2013 http://www.brooklynmuseum.org/exhibitions/mickalene_thomas/
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Faculty of Law: Pike River - How could this happen in this day and age?
Colin Smith, Chairman on the Pike River Families Group Committee and the Pike River 29 Legacy Trust, talks about the Pike River disaster and asks how could this happen in this day and age? Find out why the Pike River Families have fought so hard and for so long. Colin Smith is a law graduate from the University of Otago and is a partner with the Greymouth Law Firm Hannan & Seddon.
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Climate Change and Worker Safety
Injury rates reported at America's poultry plants have dropped dramatically in recent years, and so have workplace safety inspections. Are regulators rewarding companies for inaccurate reporting of injuries? Bill Moyers Journal and Expose: America's Investigative Reports go inside America's poultry industry, which employs almost a quarter million workers nationwide, to show the reality of working conditions and to investigate how official statistics showing a drop in workplace injuries may hav
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Arthur's Baby Read-Aloud (Narrated by Kelly Rippa)
This read-aloud is Arthur's Baby written and illustrated by Marc Brown. The narrator is Kelly Rippa. The words appear at the bottom of the screen as they are read by the narrator. D.W. and Arthur find out the challenges and joys of having a new sister in the house. This is a good resource to help build a literacy rich environment in the elementary classroom. It would help struggling readers and/or special education students. 
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A Jazzy Nutcracker
A Jazzy Nutcracker is Lustig Dance Theatre's new take on the beloved classic, performed with a six-piece jazz band and guest appearances from high school marching bands. Choreographer Graham Lustig talks with producer Susan Wallner about growing up in London in the 1960s and how it inspired his production, with the Nutcracker re-imagined as the Boy Next Door. LDT performs December 6 at SOPAC and December 12 and 13 at Monroe Performing Arts Center.
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And Then Came Tango at The Growing Stage
The Growing Stage, The Children’s Theatre of New Jersey, will present the world premiere of And Then Came Tango on Friday, March 6th. Inspired by a true story, the play revolves around the case of two male penguins at the Central Park Zoo who established a bond to hatch an orphaned egg. Written by Emily Freeman, and featuring choreography by Jillian Petrie and original music by Paul Marbach, "And Then Came Tango" is a celebration of tolerance and the eternal instinct that guides one generation
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Management: Perspective and practice
This unit introduces you to a range of different ways of thinking about organisations and approaches to managing the people who work within them.
Author(s): The Open University

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Art a GoGo Podcast #62 - Work of Art: Next Great Artist Wrap Up + Art News

Art news, reviews, and commentary without those nast side effects.  Art a GoGo...It's "Art Over Easy!"

Please visit our blog page at artagogo.com/blog for full show notes and links to the topics that we discuss during the podcast.


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