Monday January 24, 2005 How to make a Volcano
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I must have lead a very sheltered childhood. I never made a volcano with my Dad. Perhaps it's an American thing. As there are no volcanoes in England it's apparently not something that crosses the minds of parents or science teachers. Perhaps they didn't know how to make a volcano when I was growing up. |
It's really easy to do. Here's what we did over the weekend. We took a plastic plate (the sort you use for picnics, children's birthday parties or BBQ's) and put a small glass jar in the middle (this was an old baby food jar). You cover the jar with PlayDoh and shape it like a volcano.
You then half fill the jar with baking soda. Add 4-5 drops of red food coloring. Then add a spoonful of vinegar. Repeat the last step each time your child gleefully exclaims "Do it again! Do it again!"
( Jan 24 2005, 12:49:13 AM PST ) [Listen] Permalink Comments [3]
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Posted by Dan Lacher on January 24, 2005 at 12:26 PM PST #
... better still, take the baking soda, vinegar and food colouring to the beach, bury a paper cup filled with baking soda in the top of a sand castle and add the vinegar / food colouring - very realistic and probably doesn't unbalance the brittle coastal ecosystem - at least not in Santa Cruz !
Oh, but don't let the seaguls get the soda - their large appetite and small stomach causes them to explode in mid air - very disturbing.
Posted by Rich Sharples on January 24, 2005 at 08:54 PM PST #
Posted by Rich Burridge on January 25, 2005 at 07:41 AM PST #