How can we hold up water? Use a dam! In this BrainPOP UK movie on dams, Tim and Moby teach you why these massive feats of engineering are so useful. Starting in ancient Egypt and Iraq, Tim and Moby explain how dams have been used to irrigate dry farmland over centuries, plus how they can be used to generate electricity and control flooding today. In this educational, animated movie you’ll learn the meaning of terms like reservoir, aqueduct, hydroelectricity, turbine, and fish ladder. And you’ll also see how dams like the Grand Coulee Dam are built, and why they can also be harmful to the environment. Oh, and if you’ve ever wondered what dams have to do with the water we drink, watch this movie to find out!