The Sketchy program lets students draw and animate figures. Here's how it works:

  1. Download the program from

  2. Tap "New" to create a new animation.

  3. Click the pencil icon on the lower left to select a drawing tool.

  4. Use the stylus to draw the earth and moon.

  5. Advance to the next frame and draw a similar picture, changing the moon's location.

  6. Repeat #5 until you have the desired number of frames for your animation.

  7. To see your animation, tap the pulldown menu and select "Play Animation."