Can Do's challenge is to arrange the cans by weight. Students must keep their finger on the red area and touch the screen with their other hand at the same time for it to work . As they spin, students should see other colors as their color vision cells begin to work. Different people may see different colors. The grips are not of the same difficulty, so students may wish to try squeezing each with each hand to see which is stronger.
Students can discuss how the test works.
In the Discovery Area. The names of the colors are spelled out in letters of a different color on the glass wall. Have students try to read what the word says aloud. Then try to look at the word and say the name of the color used to spell out the letters. Shows what physicians see when they examine an ear.