Weather Vane, or Wind Vane, a device that shows the direction of the wind. A common type is an arrow fixed to an upright rod that is able to rotate freely, so that the arrow always points into the wind.
Thermometers are used to measure the temperature of all sorts of things, from a fever to the heat in an oven to the weather. Various thermometers exist with various scales for temperature measurement. Take this quiz to see how much you know about thermometers. See more »