This is "Spr6.2.1 - Multiply decimals by integers" by White Rose Maths on Vimeo, the home for high quality videos and the people who love them.
How to make a volcano using baking soda and vinegar. You can even reuse this one.http://www.science-sparks.com/2011/06/30/how-to-make-a-volcano/
How to make an easy reusable volcano
Unfortunately not the ones with chocolate chips.
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