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B-is Bubble Day. It is supposed to rain that day so hopefully we will have an opportunity to go outside and play with bubbles. I don't think our custodian would be very happy if we did bubbles in the classroom.
Here is the recipe I shared last year for Bubble Day. This recipe is courtesy of my crazy co-worker (pictured above). the kids love when he brings out the big bubbles.
Giant Bubble Mixture
Big bubble mixing instructions measure out about 1 Liter of hot water. Add the contents of the package( 1 g baking soda, 2 grams of HEC for instance hydroxyethylcellulose, and 1/2 g citric acid) slowly with constant stirring. Continue to stir until the solution is fairly clear, about five minutes, stirring may be intermittent Take your storage container with a volume greater than 1 L and add 1/3 cup of Dawn ultra dishwashing liquid, then pour in your well mixed HEC solution. Mix gently without making any foam. The mix can be used after about two hours, but it is best after sitting overnight. (HEC is available from lotioncrafter.com) The "Wand" is made with yarn or thick cotton string and two sticks. Make a loop of yarn about one and a half to 1 meter in diameter and ties small loops about one third of the circumference apart. Attach the loops to the ends of your two sticks; I used 4 foot bamboo garden sticks purchased at Lowe's.
Dip the string into the bowl that contains your bubble solution. Gently saturate the string, do not stir. Hold the ends of the sticks together at the tips as you lift the string from the solution, allow to drain for a bit, then lift the string high in the air, and slowly pull the Ends part to draw out the soap film. If there's no breeze you can walk backwards to create the bubble, carefully fill the bubble and bring the tips together to release Experiment by opening and closing the tips , and changing speeds. Have fun!
What fun activities do you do to end the school year?
2 comments
There's always room for bubbles!
There's always room for bubbles!
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