My third graders are going to explore the primary & secondary colors, complementary colors, patterns, rotational symmetry, while learning the geometry of a circle in these color wheel paintings. Then they will be compared to op art as students rotate and digitally fall into them using Do Ink drawing and animation app on the iPad.
Using the DoInk Animation app to digitally rotate the lego designs not only extends the lesson digitally, it serves as an assessment to determine if the designs are rotationally symmetrical.
Students can add their own photo over the rotating design using a size change to indicate falling. The 2nd tutorial below shows the steps for creating this project. It would also help you just rotate the masked lego design (like above) if you skip adding the figure.
View my interview with Corey Engstrom of Teacher Tech Trials about this project below.
Our Rotational Symmetry Lego Wall
-made completely by second graders using our collaborative method of taking a turn
Made physically & assessed digitally
After students made their lego plates, they used a digital image of it to do a test for rotational symmetry. They masked it into a circle using the Superimpose app then put it in the Do Ink animation app to make it rotate. See the video below to view the process and their results.
This is the movie made from students' digital animations of their lego plates.
The animation begins by drawing to objects in the DoInk Animation App.
Both objects need to be a complementary color pairs (red/green), (purple/yellow), (orange/blue)
1. The first object is a circle with lines that converge at the center. I used a spiral, but the lines could also radiate out/in with straight, jagged, curving, bumpy, (whatever) lines.
2. The second object is a figure drawing in the style of Keith Haring. This figure is a solid color with a shape pattern in the complement. I used circles but you can use squares, diamonds, hearts, ovals, flowers, leaves, (whatever) shapes.
The two objects are then layered in the composition mode of the DoInk app. I stretched them both out to 6 seconds and set opposite direction rotations on each.
Then I altered the size of the figure so that it began full size and ended almost so tiny that it disappeared.
The lesson is designed to help students see that complementary colors are extra vibrant in your eyes. The rotation of the lines as they converge into the center create an optical illusion that adds depth to the image. The shrinking of the figure creates the illusion of depth as if he/she is falling. Below is video:
Variation of the idea:
This was my first attempt at this animation idea. In this animation I used the Kaleido Free app to draw lines converging to the center. The app allows you to save your drawing as a movie. To layer the figure and the movie I used the Green Screen App by DoInk.
Hypno Bot (another variation)
Pretty much anything can fall, rotate, and shrink away. Here is a 5th grader's robot falling over two layers of images. One layer is a semi-transparent rotating spiral and the other is a geometric patterned design.
The Quick Version:
Since you can animate photos using the DoInk Animation App, I think this variation on the idea may be the fastest one. Students will pose as if they are falling (in front of green screen). Then they will draw an optical illusion circle (like a spiral design). This will be photographed also.
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