Teacher resources and professional development across the curriculum

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Sub Image2:Macro to Micro Structures
         
 
Workshops
1) Atoms and Molecules2) Macro to Micro Structures 3) Energetics and Dynamics 4) Theory and Practice in Chemical Systems 5) Chemical Design 6) The Chemistry of Life 7) Chemistry and the Environment 8) Chemistry at the Interface
 
From: Fiona Rae (FRae@hopkinton.k12.ma.us)
Date: Tue Jan 28 2003 - 09:23:57 EST


I wondered about that software. We had subscribed to Chemplace but next year with its demise, we will be looking for a replacement in the form of interactive software. Has anyone got any yet?

-----Original Message-----
From: tfalcone@comcast.net [mailto:tfalcone@comcast.net]
Sent: Monday, January 27, 2003 6:22 PM
To: channel-talkchemistry@learner.org
Subject: Re: [Channel-talkchemistry] (visualizing orbitals)

Has anyone had any luck with software that allows you to see how these
molecules look and their geometry? I know in biology, it helps me when I use
rasmol or chime plugins that alllow students to see structures of hemoglobin
etc. Tina
----- Original Message -----
From: "Katie Johnson" <johnson5@madison.k12.wi.us>
To: <channel-talkchemistry@learner.org>
Sent: Monday, January 27, 2003 11:38 AM
Subject: Re: [Channel-talkchemistry] (visualizing orbitals)

> Regarding visualizing orbitals
>
> I went to the local craft store and found some styrofoam balls that were
> "egg" shaped. One student (as a special project) made a model with a
large
> round styrofoam ball (2s) and 6 of the egg shaped balls (2p) stuck on at
> appropriate x,y,z axes. We then (using a hot knife) cut out a section of
> the large round ball following a line around the "equator" of the ball 1/4
> of the way around and then from each end point up to the top of the ball.
> We took a smaller round styrofoam ball (1s) and cut its shape to match the
> hole and glued it in. We tried to duplicate the composite orbitals
graphic
> from Addison Wesley's HS Chemistry Book. (4th ed. = page 248, 5th ed =
page
> 365)
>
> Now as I talk about the orbitals I hold up a small ball for the 1s and my
> model (with the cut out section facing away from the class) and we talk
> about the 2s and 2p. Then I rotate the model to show the 1s is inside.
It
> seems to help.
> Katherine Johnson
> Chemistry Teacher
> Madison East High School
> Madison, Wisconsin
>
>
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