Elevation and altitude: What’s the difference?Emma Kapotes/Rd.com, iStock/RLT
If you’re hiking up a mountain and brag on Facebook that you’re “at an altitude of 6,000 feet!”—first, put your device away and enjoy the outdoors. Second, altitude is used to describe a point above sea level in the air, which is why pilots say altitude. (Here are secrets pilots won’t tell you). Elevation is a point above sea level on land.
Lake and pond: What’s the difference?Emma Kapotes/Rd.com, iStock/RLT
Many small “lakes” could just as easily be called a pond, and the famed Walden Pond in Concord, Massachusetts, is actually a lake. The main distinction: A pond is shallow enough that light penetrates all the way to the bottom. Although there is no set size for either, most geographers agree that when a body of fresh water is bigger than 12 acres, it’s a lake. Smaller than that, it’s a pond.