Archive for the ‘Everyday Science’ category

Mixtures 10: Mixing Carbon Dioxide in Water

May 2, 2014

In this last segment of the mixtures episode, Brian shows how fun and delicious it is to mix Carbon Dioxide and water!

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Mixtures 10: Download Links
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Mixtures 9: Mixtures in Nature and Unimixing with Salt

April 11, 2014

Rivers can be a great example of mixtures, when the water carries rocks, sand and clay and deposits them in different places. Join geologist (and EverDay Science Producer!) Herb Saperston as he explores mixtures along the Podure River.

Also, we look one last time at mixing and unmixing. This time the secret ingredient is salt!

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Mixtures 9: Download Links
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Mixtures 8: Unmixing Milk

April 4, 2014

You may have never thought about this, but milk is a mixture of different substances including proteins, sugars, and water. Learn how to “unmix” milk to make curds and whey!

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Mixtures 8: Download Links
Use these links to download the movies to your computer. You can “control+click” to save the file.
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Mixtures 7: Unmixing Plastic and Sand

March 28, 2014

Last time we saw that it is possible to unmix a mixture, or separate it into it’s constituent parts. This week we will learn how to unmix different types of plastic so they can be recycled. And we’ll learn how to unmix sand from Dominica.

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Mixtures 7: Download Links
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Mixtures 6: Empedocles and Unmixing

March 14, 2014

Empedocles was an ancient Greek Philosopher and the first Western thinker to propose that everything in the world was a mixture of basic substances. He believed the four elements were Earth, Air, Fire and Water.

In this podcast we also look at physically un-mixing, or separating out mixtures into their basic substances.

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Mixtures 6: Download Links
Use these links to download the movies to your computer. You can “control+click” to save the file.
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Mixtures 5: Hot Cocoa

March 7, 2014

Cocoa does not like to mix with cold water. Brian and the team use emulsifiers, heating and good old fashioned stirring to get the cocoa to mix in for a delicious beverage!

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Mixtures 5: Download Links
Use these links to download the movies to your computer. You can “control+click” to save the file.
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Mixtures 4: Paper Boats

February 28, 2014

We’ve already seen that oil and water don’t mix. In this episode, we see how we can use this to propel little paper “boats” on the surface of water.

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Mixtures 4: Download Links
Use these links to download the movies to your computer. You can “control+click” to save the file.
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