A kettle is a kitchen appliance used for boiling water. It typically consists of a container with a spout and a handle, making it easy to pour hot water. Kettles can be electric or stovetop, with electric kettles heating water quickly using an internal heating element, while stovetop kettles are placed on a burner. Kettles are commonly used for making beverages like tea and coffee, as well as for cooking purposes such as preparing instant noodles or soups. They come in various materials, including stainless steel, glass, and plastic, each offering different benefits in terms of durability and heat retention.