Sunday, September 23, 2012

The Experiment of Fire and Hot Air Balloons

We found a great experiment at
that shows how cold air
is more dense than hot air.

Its the same idea as a
hot air balloon.
The hot air in the balloon
is lifted by cold air rushing in
underneath it.

For the experiment, you'll need a tea bag.


Carefully remove the staple and trim off the holes,
making sure you still have a flat edge.


Set the tea bag up like a cylinder.
We put ours on a fire proof surface.


Light the top and watch closely.

The last remaining bit of the tea bag will shoot up
into the air and finish burning. 

The kiddos loved it!

Wishing you homeschool blessings,
Bethany

4 comments:

Phyllis said...

We had fun with that one, too.

MrsYub said...

Oh wow! I remember doing this when I wa little! I had completly forgotten about it....

Bethany said...

Thanks for the great idea!

Bethany said...

I was pretty impressed, too.

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