Demonstration Speech

Duyen Pham institution I would like to ask the class with a show of hands, who has neer blew a blab or played with bubbles? I have neer met a kid or an adult who could resist bubbles. I conceptualize that there is some(a)thing unique about a bubble from its fragility, to its rainbow of colors, and to the perfect hardening shape. A bubbles life expectancy is usu each(prenominal)y measured in seconds unless you hit the hay how to make a SUPER BUBBLE So today, I am going to demonstrate how to make a bouncing bubble. MATERIALS * 1 shape of distilled water * 2 tablespoons of dish slash * 1 tablespoon of glycerol * Pair of gloves * Small bubble wand, straw, or pipette STEPS . drink down with 1 cup of distilled water 2. Add 2 tablespoons of dish gook 3. Then, add 1 tablespoon of glycerin 4. Last, mix together all the ingredients EXPERIMENT * Allowing your bubble rootage to sit undisturbed for at to the lowest degree 24 hours in advance, will allow the bongs in the bubble solu tion strengthen, which means stronger bubbles. After making up a batch of ripple Solution with the ingredients listed above. * Using a small bubble wand fix by take uping a bubble. If you are using the pipette instead of the bubble wand, cut the bulb off the top of the pipette, pickpocket it into the bubble solution, and blow into the other end of the pipette.If using a straw just dip and blow out the other end. * Bounce the bubble off of your gloves. It push aside also be bounced off other fabrics. As youll soon see, some fabrics work better than others. CONCLUSION Most people dont know that the bursting of a bubble is caused by contaminates that instantly breaks down the bubbles mixture and destroys its surface tension. That is why even lightly pitiable a bubble causes it to burst. So, even though it is just a queer of air trapped in a thin film of soap and water we just need to enjoy the little things in life.