Inflate+a+Balloon+Magically

Make a balloon deflate and inflate without doing anything!

To inflate a balloon you need
 * a small balloon
 * a very clean soda bottle
 * some cut up carrot pieces
 * some water

Directions:
 * 1) Put the carrot pieces into the soda bottle.
 * 2) Add a little water.
 * 3) Place the small balloon over the mouth of the bottle.
 * 4) After a few hours, the balloon will get sucked into the bottle.
 * 5) After two days the balloon will inflate.


 * What's the problem?**
 * **Ask** -
 * **Imagine** -
 * **Design, Build** -
 * **Improve** -


 * That's engineering**

>.
 * Engineering ideas**

Challenges for you to work on...
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 * [|Fun Science Activities for Kids] - used with permission

..r1 2a