1. You can take the activity apart, which is the power of Squeak. Click on the Playing button at the left for a introduction to how Squeak works. You must click Escape Browser and your resolution must be set at 1024x768 to view this properly. Go to Squeakland for tutorials and more information on using Squeak. Then try to take the activity apart and see how it works and then construct your own activity by modifying this one. There are many objects on the page to experiment with. You could start with the animation. Open the Exercise Viewer flap, which can be accessed by clicking on the fourth gray box down on the upper right. Then drag out Script1 and start by changing some of the numbers to see what happens when you run the animation again. Then drag one of the tiles out of the script and observe the effect when you run the animation.

Challenges:
• Can you make Norbert and Zot appear to run twice as fast?
• Can you make Norbert and Zot sweat at lower and higher heart rates?

Note: You will have to change all the scripts, except main, the same way to meet these challenges. No matter how bad a mess you make, you can always get back to the original activity by exiting Squeak and starting over, so don't worry. Explore, try what comes to your mind, and have fun exercising your brain.

2. Make a new exercise animation with your own drawings. You should go to Squeakland for tutorials to show you how to make animations.

3. You may think mathematics and art aren't related, but nothing could be farther from the truth. The sense of beauty you see in art is equally important in mathematics. Symmetry is part of beauty and it runs throughout art and mathematics. theorems have a sense of beauty because they represent truth. Beauty gives you a sense of balance and well-being in your life. The Squeak project was organized on the page to be functional and that often leads to a kind of beauty. But beauty is in the eye of the beholder, so we challenge you to recreate the Squeak Exercise Challenge project in a way that leaves you with a sense of balance and beauty. With the tools in Squeak, you can make your own drawings. Any of the objects can be moved and resized and their colors can often be changed. Click on any object while holding down the alt key on a PC or the command key on a Mac and you will see the halo of handles. Click on the red handle at the upper left to explore many options for changing the object. Go to Squeakland for tutorials and more information on using Squeak. When you are done go to the NASA CONNECT web site to submit your version of the Squeak project and we will post it to bring beauty and balance into the lives of all who choose to open your project.