A pound of sodium metal in the river This is what happens when a pound of sodium hits water. Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts Dyson Vacuums Will Suck Up Fire Spinning Magnet Levitates What happens if you fill a Balloon with Liquid Nitrogen? Aerogel and how it reacts with water How to Make a Cloud in a Bottle Can You Absorb Mercury with a Sponge?