Five Things to Teach Our Students (and Ourselves) about Electricity


C:UsersRoyDocumentsYoucamSnapshot_20140509crawford-jpegBy Roy Bentley and Ken Crawford

You’ve probably heard the expression, “A journey of 1,000 miles begins with a single step.”  That’s certainly true of Educational Innovations‘ Transparent Alternator Kit.  It’s a hands-on kit that visually (and vividly) demonstrates how electricity is created—the single step that has launched humankind into the technological age!  Show your students the start of this fascinating path and they will begin their own journey.

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Having a Blast with Articulating Stomp Rockets


Articulating Stomp Rockets - Educational Innovations Blog

by Paul Reyna

Have you ever had a science activity or demonstration that you really liked to do with your students, but then were told you could not do it anymore—or it did not fit your curriculum?

That is exactly what happened to me a few years ago.

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The Chemistry of Currency


Dr. Kenneth Lyle, Duke University Department of Chemistryby Gabrielle Hodgins and Dr. Kenneth Lyle, Duke University, Durham NC

The wonders of magnetic ink!

INTRODUCTION

Demonstrating the magnetic ink used in printing US currency has proven to engage audiences of all ages because of its relevance to everyday life.  Nearly everyone has used machines that distribute and/or accept currency but few understand how the machines distinguish between the various denominations.  The key is in the face of each denomination.  Magnetic ink is used in the printing of the currency.  Each denomination has a different face and, therefore, a different magnetic signature.  Similar to a bar code reader, the machines recognize the denomination by its magnetic signature.  A strong magnet, such as a neodymium magnet, can be used to demonstrate the magnetic character of US currency.

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Hydrophilic Polymers Lesson


Lesson - Educational Innovations BlogHydrophilic superabsorbent polymers are so much fun to use in the classroom.  Young and older students alike love working with Growing Spheres that expand by more than 300 times their original size.  And who doesn’t love an avalanche of Instant Snow?

We know that the best lessons are those that keep your students engaged in genuine, hands-on scientific exploration.  We believe that students learn more when they’re having FUN… and that’s precisely what happens when you bring any hydrophilic material into your classroom.

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Hydrophilic Polymers Discussion Starters


Discussion Starters - Educational Innovations BlogYour students may already be aware of some ways that hydrophilic polymers are used in our daily lives.  For instance, Sodium Polyacrylate is an essential component of disposable diapers, and Growing Spheres are often used by florists as a soil-free way to store water and keep cut flowers fresh for a long time.

But what else can hydrophilic polymers do?  The answer is, plenty!

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