Free 3D IWB

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I recently (re)posted an article that ended up in a national educational guide. I got commented by "Knaus" to say that most of my ideas could easily be done without an IWB and just the projector.

I've looked at the post and Knaus is right... my intention with the article though was to break teachers out of the whiteboard software that comes with the board and to explore other ways that you can use all or parts of the technology that are in your classroom when you do get an IWB thrust upon you.

Knaus also expressed that an IWB is expensive - and as a good Keepad Interactive employee I have to point out that the eBeam from Luidia that we sell can sometimes be a better solution both cost and portability wise.

So here are some IWB 3D applications.

Google Sketchup - This works really well with an IWB, not only is it quick an easy to create three dimensional objects, you can use your IWB to interactively walk around your newly created 3D scene. Add the annotation function of most IWB software and you can take snapshots and annotate your virtual world. I use Sketchup all the time for my IWB demonstrations, and people are constantly amazed at how easy it is to use, and how effective it is. Design and technology teachers love it for making quick sketches, as do Maths teachers who see the value in 3D shapes.

Digital Library of Mathematical Functions - This is one for the high school maths teachers. This site host one of the most important mathematical guidebooks. Interspersed is 3D VRML and x3d files that show complex mathematical functions in 3D helping students to visualise Surface functions.


Edusim - Designed specifically for use with IWB systems, EduSim is a 3D environment where students walk through, exploring 3 objects and finding interfaces with images, and live webpages. But most importantly it is a multi user environment so you can have more than one student in the virtual world. They can communicate and collaborate in a worlds that can easily be controlled by the school. One of the great things is the ability to create something in Google Sketch up and then import it into EduSim.

Google Earth - Again you can take your models built in sketchup and post them into Google Earth. Google earth games are something you might like to try on your IWB


WorldWind - Similar to Google Earth, but with different layers and no streetview. This is more of a scientific program. By downloading the anyglyph plugin you can use those old fashioned 3D red/blue glasses to make your globe float out from the board. - Real 3D in your classroom. This is one of the program I use regularly to show off how to integrate an IWB into teaching without using the software that comes with the board.

Blender - Now we are getting into the heavy stuff. Blender is a fantastic Open Source 3D editing environment, used to make games, movies and 3D models from scratch. A steep learning curve, but I've taught kids how to use some of the basics in after school classes (demonstrating on an IWB) and they have gone on to make some amazing things in 3D.

DAZ - Bryce - If you want to create realistic and hyper realistic natural looking 3D environments, then this free download is what you need. Way ahead of it's time when released the is a great way to produce ray traced scenes easily. I bought (yes I sometimes buy software) Bryce2 back in 2001, left to go to the UK and other places. I downloaded it recently and got right back into the swing of it within half an hour. Really easy to use 3D software that works through the use of Boolean shapes and visual logic. This works great on an IWB, as you work with a range on onscreen tools rather than key presses like Blender.

DAVID - I've only come across this recently but I can see a great use for it in education already. David is free software that lets you create a 3D scanner out of 2 pieces of cardboard, a laser line level and an ordinary web cam. The results in the galleries are extraordinary, imagine being able to scan student's sculptures and projects straight into the computer - then manipulating them on your IWB.

Build AR ARive - Both of these programs help you to create 3D augmented reality items. Great for augmented popup books. I still haven't figured out how to do the video pop up but I will get there one day.

Rep-Rap / Cupcake CNC - Cheap to make and easy to build (apparently) these are homebrew 3D printers. I don't think it will be long before you will see 3D printers at your local Staples/Officeworks store. If you can't wait for one in your classroom though, they have all the blueprints and parts you need. Although not something to do on your IWB specifically it could be a great way to brainstorm and run a build project with your class if you are that way inclined. Could you imagine the conversation at home -

"So what did you do at school today?"
"Well we are starting to build a 3D printer that can print out any 3D object we have a file of or design."

If you have any more free 3D programs you you with your IWB, please leave me a comment I would love to hear from you.

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Why use Keepads?

This was on Derek Bruff''s blog the other day, and it got me thinking about why we use ARS/Clickers/Keepads/SRS/CRS.

I have been going back over my old educational psychology books to see if there was some research from the past that validates the use of ARS now. Obviously Derek has written the book on CRS in use now, but I'm talking about some of the past research on questioning.

My ed psych book from university was the Imaginatively titled "Educational Psychology" by Maltby, Gage and Berliner. I was able to glean a few key points that relate to the use of ARS now.

Why use an ARS in your teaching mix?

• Improves “wait time” I and II (Rowe 1974) - pre set counters give the right amount of time for students to formulate an answer- showing responses on screen and talking about them give time to reflect.
  
• Reduces unintentional Bias (Rowe 1974) - Everyone has the same amount of time to answer.
  
• Gives “Question Notice” to all students (Brophy and Evertson 1994) - everyone is attentive to the question because everyone has to answer it.
  
• Allows question probing through the branching - The presentation can branch to probing questions to get more detailed responses.
  
• Encourages “Intelligent Guesses” (Cole & Chan 1994) - It reduces loss of face due to a wrong answer - great for students to want try out an answer without embarrassment.
  
• Can provide academic feedback without identification (Good & Brophy)(Cole and Chan1994) - immediate feedback is important - but it doesn't identify the person with the wrong answer in front of peers.
  
• Increases perceived preparation and structure but allows flexibility. Reduces digression but provides opportunities for branching and customisation.

Using an SRS/ARS/CPS is not a toy, but a way of truly changing the way we look at questioning our students about the stuff they know and don't know to help them gain deeper understanding of what we are teaching.

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