In case you haven't noticed by now I have an obsession both with rainbows and also with baking soda and vinegar eruptions. Rainbow eruptions make the most gorgeous eruptions ever. Since we've had a heat wave I added a frozen element to the science play.
Fizzing Ice Rainbow
We have made rainbow eruptions before, and we love playing with rainbow ice. I fell in love with these ice volcanoes from Reading Confetti, so I decided to combine the three ideas to make frozen rainbow eruptions. Her frozen eruptions are different than these, so be sure to check out how she made her volcanoes. Also, she has a great tip for getting the volcanoes to mold in a way that they will freeze just right.