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 Neat Little Demonstration of Relative Motion Another Non-Newtonian Liquid Experiment High-Speed Footage of Levitating Water Drops Looks Like a Fireworks Show Spinning Something in a Vacuum Chamber Will Spin Longer Don’t Pour Molten Aluminum on Ice Coke + Mentos Powered Car Travels 73 Meters