Carolina Tips - January 2012 - Chemistry Edition
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Stoichiometry and Limiting Reactant
This activity helps students understand the concept of limiting reactants in a chemical reaction. Using calcium chloride with sodium oxalate and sodium phosphate, students determine the combining ratios of the chemicals and then write a balanced equation for each reaction. Click the link below to see how it’s done.

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Stoichiometry and Limiting Reactant

Aquarium Equilibrium Demonstration
Use 2 aquariums and water for this guided-inquiry demonstration that introduces students to the concepts of reversible reactions and equilibrium. As students transfer water between aquariums, they make and adjust their predictions, then compare observed results with initial predictions about the demo’s outcome. Jump on the link below to start splashing.

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Aquarium Equilibrium Demonstration

Physical Science Activities Online Learning
A Day in the Life with Common Simple Machines Carolina Science Online
A Day in the Life with Common Simple Machines
Help students from elementary to middle school understand common simple machines with the easy-to-do activities suggested in this article. Choose from activities that engage beginning students in identifying machines and their types or activities that challenge more advanced students to design machines to accomplish chosen tasks. Click the link below to begin.
Carolina Science Online™
Carolina Science Online™ puts high-quality instructional resources at your fingertips. This article introduces the site’s content—Carolina’s digital student and teacher guides, Learnetic interactive whiteboard activities, PhET interactive research-based simulations, and other high-tech classroom innovations, both free and “for fee.” Click below for more about this new comprehensive source for e-learning tools.
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AP* Chemistry Request a Catalog
The College Board Revises the AP Chemistry Course Request a copy of the 2012 Carolina Science Catalog
The College Board Revises the AP* Chemistry Course
Are you ready? The revised AP* Chemistry Course begins in the 2013–14 academic year. This article contains information about some of the changes, plus preparations you can make for the new curriculum and its 6 "Big Ideas." Click below for more, including links to discussions and workshops about the changes.
The 2012 Carolina™ Science Catalog
Big ideas are in our big book; the 2012 CarolinaScience catalog offers over 1,100 pages of quality products. From innovative kits designed to meet national science standards to cutting-edge equipment, we have what you need. Click below on the link to the catalog request form if you haven't already received your copy.
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The 2012 Carolina™ Science Catalog
Featured Videos
The Lost Volume Video
The Lost Volume
This engaging demo helps teach fundamentals of inquiry science, properties of liquids, and intermolecular forces. Learn how using equal volumes of ethyl alcohol and water can show students that the proverbial 2 plus 2 doesn’t always equal 4. The surprising outcome gets them thinking. Click the link to view it.
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Teacher 2 Teacher Tips  
Procuring Lab Coats for Students
If you need lab coats for your students, contact your local hospital or university laundry facility. The institution will often donate lab coats previously worn by doctors who no longer work at the facility. My students create badges for their lab coats, and feel very smart and empowered wearing the personalized coats during lab experiments.

Submitted by:
Connie Winters
Tennessee School for the Blind
Nashville, TN

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Educational Photos  
Carolina's Flickr® Photostream
Our photographers have captured thousands of scientific images over the decades, and we're giving you free access to selected ones via our Flickr® Photostream. Click the icon to jump right in or the link below to test the water.
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*AP is a registered trademark of the College Board.