How do you do the expirement Rainbow in a bottle?

Question

Do you know any websites or the steeps on how to do it.

Answer 1

http://www.ripon.edu/faculty/nortonm/dailyscience.html

It's as close to getting a rainbow in a bottle as you can get.

Answer 2

RAINBOW DUST
Colored Sugar
Ingredients:

* 1/2 cup sugar
* Food colors (see how to mix colors below)

Directions:

1. Put sugar in a resealable plastic bag. Pick the color you want to make below, and add the food colors to sugar in bag. Seal bag closed.
2. Squeeze the sugar in the sealed bag until it becomes colored. Store sugar in this sealed bag. This will make ½ cup colored sugar.

PASTEL COLORS
Color Number of Drops of Liquid Food Color
Pink 1 drop red
Peach 4 drops yellow and 1 drop red
Pale yellow 2 drops yellow
Lime green 3 drops yellow and 1 drop green
Baby blue 2 drops blue
Lavender 1 drop red and 1 drop blue
BRIGHT COLORS
Color Number of Drops of Liquid Food Color
Red 10 drops red
Orange2 drops yellow and 2 drops red
Yellow4 drops yellow
Green 8 drops green
Blue 5 drops blue
Purple 3 drops red and 2 drops blue
then you just put the layers together in a bottle