Wednesday, 18 May 2011

Balloon Blowing

This experiment is about blowing up a balloon with CO2.  First I put the water into a drink bottle, then put a teaspoon of baking soda in and shook the bottle until they dissolved together.  It was then time to quickly add the vinegar or lemon juice and put the balloon on the mouth of the bottle.  We watched the balloon grow "make sure it doesn't pop!".  It was really fun doing that experiment with Room 7.


3 comments:

  1. Wow guys, this looks like a fun experiment! How did you know it was a fair test?

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  2. What a great experiment. I am guessing it worked. Do you know why?

    Mrs Steel

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  3. Wow it works! Well , i've had try this experiment before with my class and it work a bit and your one looks better than ours. I could tell that it work because the ballon blowed up well.

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