One of the most famous symbols of Independence Day is the Liberty Bell in Philadelphia, Pennsylvania. And you might be shocked to find out that this bell isn’t a big deal for nothing – it’s a big bell! Read on to get the un-bell-ievable numbers behind this symbol of freedom.
Tonight people across the U.S. will celebrate America’s Independence Day with one of the most magical kinds of shows: fireworks. What’s even more surprising is what makes fireworks work. Read on to see how the “oohs’ and “aahs” add up – and do the firework math!