Monday, February 2, 2009
Unplugged Challenge: Color
We did a simple science experiment for this week's Unplugged Challenge. The theme was color, so we did an experiment where the primary colors are combined to make new colors.
We started out with a small, clear glass bowl with a cup of milk in it, dish soap, and yellow, read, and blue food coloring.
Next, the food coloring was added, three drops of each color near the edge of the bowl, about a third of the way around the bowl from each other, so there was no chance of the different colors touching.
To the center of the bowl of milk, we added a few drops of dish soap.
From that point on, there was nothing for us to do but watch the pretty colors swirl around all by themselves. The soap will not combine with the milk, so it floats on the surface and pulls the different colors along with it. Eventually, the colors start to mix and form new colors.
Note: Do not try stirring the milk, the colors will all mix together and form a muddy color.
Punxsutawney Phil, the groundhog, saw his shadow this morning, so there is supposed to be six more weeks of winter.