Description: Sal talks about what volume means. He also examines the volume of real objects in liters. Well one of these milk bottles is a liter and your most typically going to think about a liter in your everyday life when your buying some type of beverages, milk, or water. So that's a liter but what if we want to go to really small volumes of water? Well if we want to go to really small volumes of water we normally talk about milliliters.*Teacher Advisor is 100% free.