A volcano eruption.
* Half fill a plastic bottle with sodium bicarbonate and place on a tray.
* Put sand around the bottle.
* Mix vinegar and food colouring and pour it into the bottle.
* Observe the eruption. The bubbles that are created are filled with caron dioxide gas which pushes to vinegar to the superface.
* Half fill a plastic bottle with sodium bicarbonate and place on a tray.
* Put sand around the bottle.
1 comentario:
Fabuloso.Es muy interesante y los chavales aprenden un montón
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