A Few Fun Rainbow Activities

We did a few fun experiments during rainbow week.
For one of the experiments, I filled a glass bowl 1/2 full of water. Then I put a mirror in the bowl. I then used a flashlight to shine into the bowl creating a rainbow:) It's a little tricky at first. You have to play around with the angle of the mirror. (Once I found the right angle, I attached the mirror to the bowl with a piece of sticky tack:)
Here is a picture of this experiment. The kids loved when I moved the flashlight and made the rainbow disappear and reappear! This reinforced what the concept of prisms and how when the prism bends the light, the colors can be seen.

 

Another fun experiment that we did was with food coloring, milk and dish soap. We put 2 cups of milk in a bowl. Then we put 1 drop of red food coloring in, 1 drop of blue and 1 drop of yellow. Next, we put a few drops of dish soap in and watched as the colors moved and mixed together.

When the food coloring is dropped into the milk, it just sits right where you put it:)

As soon as the dish soap is put in, the colors move and start to mix!!

After we put out soap in, it was time for specials...but when we came back, this is what we found!!! We saw lot of new colors: purple, green, orange, pink and even brown!!!!

Here is a google doc link to this response sheet that I made:) (Hope it works...it's my 1st time:)
https://docs.google.com/leaf?id=0ByuhP-oN9zV7OWEwZDAwM2QtY2ZjMC00Zjk0LTgwNTQtMDlhOTdjODNhYTQ3&hl=en&authkey=CPeJ5vwI
We also did another color mixing activity that goes along with the story Mouse Paint by Ellen Stohl Walsh. In this activity we mixed colors(food color and water) together to make new colors.

More detailed instructions and this Mouse Paint color mixing sheet are available for FREE download at my teacherspayteachers store:http://www.teacherspayteachers.com/Product/Mixing-Colors-Mouse-Paint-Rainbow-Unit-Activity