Queen Elsa's Castle - Frozen & Bubbly


This was such a great science activity we did as apart of our Letter Q Activities this week! My boys love the movie "Frozen" and were so excited as I pulled out a pan with their very own frozen castle. They got right to work squeezing colors onto their castles with pipettes (great for those fine motor skills) and watching their castles bubble. Look how beautiful those colors are mixed together and bubbling - picture bottom left. Along with bubbling, the castles also melted. Talk about fun, and a must try experiment! Next time, I will hide items inside the castle molds to find. Thank you, Little Bins for Little Hands for this great idea.

Here's what you need:
  • Sand Castle Molds (I found mine at the Dollar Tree)
  • Baking Soda
  • Water
  • Pipettes
  • Liquid Water Colors - we used blue, green and purple
  • Small plastic cups to hold the colored vinegar
  • Vinegar
  • 9x13 baking dish

Directions:

1) Make the castle molds. Mix baking soda and water in a large bowl. The ratio is 2:1. I had three castle molds and used around 12 cups of baking soda and 6 cups of water. Fill the castle molds to the top with the baking soda/water mixture and carefully place the mold in the freezer. 


2) Once frozen and ready to play, pull the bottom of mold to help the frozen castle come out. I had to run warm water over the outside of the castle mold (NOT the bottom where you can see the baking soda) to release it - this only took 30 seconds or so. Once the frozen castle comes out, place it on a 9x13 baking dish.

3) Fill three small plastic containers with vinegar. Add in desired liquid water color and mix. Place a pipette in one of the plastic containers. I sprinkled on a little bit of glitter, but that's optional.


4) Let your kids explore. The pipettes didn't last long at our house. My boys had more fun dumping the entire cup over the castle. I loved how beautiful the colors were mixed together and bubbling.









4) Toward the end, we decided to dump vinegar all over the top of the half-melted castle. It made the entire bowl bubble and looked so neat! I also had to post a picture of my 23 month old's expression when Elsa would "fall over" in the colored vinegar. 



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