With this activity, you’ll test your math and music skills to build your very own instrument. With only four materials, you can play your favorite songs and perform a concert for family and friends!
What you’ll need:
- Food coloring
- Glass cups, 6 that are equal in size
- Metal spoon
Fill glasses with the water levels outlined below. Add the specified drops of food coloring to each to create a rainbow xylophone. Experiment with different musical pitches and try to recreate your favorite songs!
1st cup: 1/4 cup water and 1-2 drops red food color
2nd cup: 1/2 cup water and 1 drop red, 1 drop yellow food color (making orange)
3rd cup: 3/4 cup water and 3 drops of yellow food color
4th cup: 1 cup water and 4 drops green food color
5th cup: 1 1/4 cup water and 5 drops blue food color
6th cup: 1 1/2 cup water and 3 drops blue, 3 drops red food color (making purple)