Today we made an explosion. Based on the idea that every small child should see a testube explosion and every small child should respect me (at least in this house) so I held the test tube whilst it exploded.

No need to describe the explosion, you’ve all tried it. Some baking soda, some vinigar, maybe a few grains of blue sand and some iron filings for colour and explosion in a test tube! We had kept the lid on, to try and make it pop off like a gun, but all that happened is that when we added lots of vinegar it leaked a bit. Maybe it would have worked better if we used real vinegar instead of malt vinegar. Oh well, maybe next time!



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