Materials
A tall glass or
plastic bottle, vegetable oil, food colouring, water, Alka-Seltza or fizzy vitamin
tablet.
Method
Fill the glass
or bottle about a third full of water, then top it up with vegetable oil. Add a
few drops of food colouring and allow to mix with the water. Break the
Alka-Seltzer or vitamin tablet into quarters and drop a piece into the glass or
bottle and watch what happens. Add more pieces of tablet if you want more bubbles.
These instructions found in The Times
newspaper Saturday February 21st.
BCNU
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