Catch A Rainbow
Red, blue and yellow are called the primary colors. Just
by mixing these colors, you can get all the colors of the rainbow:
|
RED
+ YELLOW =
ORANGE
RED
+
BLUE =
PURPLE
BLUE
+ YELLOW =
GREEN |
What you need:
Directions:
- Pour 1 cup of milk into the bowl
- Add 3 drops of red food color to one edge of the bowl
- 1/3 of the way away, add 3 drops of blue food color
- 1/3 of the way away add 3 drops of yellow
- don't mix or jiggle the bowl
- Squeeze a drop of dish soap in the center of the bowl
- Record what you see.
- What do you think happened?
|
 |
What Happened:
The dish soap does not mix with the milk. Instead it floats on top and
spreads over the surface. As it spreads, it grabs the food color we
dropped into it. Where the colors meet, they combine to form new colors:
|
RED
+ YELLOW =
ORANGE
RED
+
BLUE =
PURPLE
BLUE
+ YELLOW =
GREEN |
|
