The Student Interactive Version of the Alexander Arrangement of Elements

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Schools Only Special Offer Details Alexander Arrangement of Elements Student Interactive Set of 36 PLUS two DeskTopper models. The Student Interactive version of the AAE is especially useful as a full classroom, hands-on project in the session(s) just prior to the lesson in your curriculum that normally introduces the periodic table.

The Schools Only Full Class order consists of three dozen (36) hands-on periodic charts on 11"x 17" index stock, diecut for separation and assembly into 3-D. The surface will accept color and lettering for completion in a selection of formats by teacher or students. The box frames, group and atomic numbers (only) are printed in black on white.

Entering data in the boxes can be an individual or team effort, and can be done in a busy class or during several.

Each chart carries only the atomic number in each of the boxes, entry of other data as well as coloring to illustrate groupings is part of the participation activity of the student. Also, an instructor might use several of the Arrangements to illustrate some different types of element groupings.

Working with parts of the printed sheet, the students learn of the blocks and the connections by holding them in their hands and doing the connections while building a periodic table of their very own. At the same time, as they see the flat table build into the three dimensions envisaged by the developer of the first periodic table, de Chancourtois, and realize that the flat table is a far more convenient form for all the variety of periodic tables they will be working with in the future, finding that the table isn't as ugly and intimidating as they may have supposed.

The construction of the three-dimensional chart has been made relatively easy by design of the slots and tabs, by diecutting all that needs cutting, and providing instructions that are carefully tested and illustrated.


These are photos of the process of turning 2-D into 3-D by coloring, data entry, and assembly of the Student Interactive Version of the Alexander Arrangement of Elements.

Coloring and entering data While learning about the element groups, use markers to color each of the areas (not too dark). then, while studying the elements themselves, with a sharper black marker, add the element symbols, atomic weights, and names as you learn about them.	Removing from the background When all entries are complete, you have built a foundation for the study of chemistry. It could take some time. Now take the sheet apart carefully at the die cut scoring.	Saving the filler Make sure you save the top part where the three drawings of the completed AAE are - this will act as a structural filler later. Use these drawings to see what the AAE should look like when complete.

Getting the tabs Since we don't need the instructions any more, we remove the small tabs from that area after the rest is separated.	Putting in the curve Making the parts take on a curve is easily done by rolling them into a tube and holding them that way with a rubber band or something for a while.	Integrating the Rare earths Start assembling by attaching the Rare earths to the f-block - it is a little tricky. Make the connections very secure - tape or glue - so they don't come apart later.

Connecting the s-block to the d-block Position the reactive metals to join the transition metals segment.	Using the tabs Here is where the tabs (see 'Getting the tabs', above left) come in handy, to hold parts together to make connection to other segments easier.	Connecting periods 2 & 3 to 3 & 4 Now the end of the second and third periods join the start of the following periods. Again, make the connections secure - tape or glue - so they don't come apart later.

The Hydrogen crown The Hydrogen Crown wraps around to the start of the second period, inserts and fastens.	Preparing the filler Now that the illustrations have served their purpose remove the part with three round segments to make a filler that will help the s & d-block segment assume a rounder shape.	Adding the filler After folding the filler into an accordion, one tab goes out through a slot part way up the s- & d-block tube and the other through one closer to the bottom, insert and fasten.
	The final product And now the students each have a fine reference tool, keepsake, and conversation piece - the Alexander Arrangement of Elements!	Click to

Making a Student Interactive Version of the Alexander Arrangement of Elements
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