rumpleteasermom

Yes, a soda bottle. We cut a hole in the plywood that was off-set
from the top of the volcano so we could slip the bottle in and out but
still have it resting on the plywood when it was in. The volcano was
a bit taller than the bottle so we just propped it on a block of wood.

Bridget



--- In Unschooling-dotcom@y..., "Beth Ali" <blali@b...> wrote:
>
>
>
> Bridget,
> What did you use inside the chicken wire frame to hold the baking
soda? A
> soda bottle? I guess I'll be going to HOme Depot instead of Walmart
today!
> Thanks for the advice.
> Beth
>

Beth Ali

Bridget,
What did you use inside the chicken wire frame to hold the baking soda? A
soda bottle? I guess I'll be going to HOme Depot instead of Walmart today!
Thanks for the advice.
Beth

One tip, if you use straight baking soda and vinegar for your
eruptions it is rather spectacular. It acts somewhat like a stromboli
eruption. If you add a bit of dishsoap to the solution the eruption
is more steady (and I can't think of the name of that type of eruption
to save my life right now!) like Mt Kilowea (I suspect that is spelled
wrong)
We build ours on a plywood base out, with a chicken wire frame and
that plater wrap stuff they sell in the craft stores - looks like the
stuff they used to make casts out of. They we painted it with acrylic
paints and sealed it with polyurethane sealer. It lasted for years!

Bridget






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