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 You Can Hear The Difference Between Hot and Cold Water Liquid Nitrogen and 1500 Ping Pong Balls Edible Water “Bottle” This Is What Happens When You Dissolve an Antacid On the Space Station 5 Crazy Science Stunts, You Won’t See At School Stacked Ball Drop Experiment