Homemade Easter Egg Anemometer: Describes in words and pictures how they build an anemometer.How does a Barometer work?: Explains what a barometer is, and how it works.How Does the Thermometer Work?: Answers the question of how thermometers can tell us the temperature.Kids Health: How Does A Thermometer Work?: Easy to understand description of what makes a thermometer work.Rain Gauge: Contains several activities to see how rain gauges work.The Aneroid Barometer: Explains what this instrument is, who invented it, and how it works. Includes a guide to reading, adjusting, and using the barometer.USAToday.com: How a Barometer Measures Air Pressure: Drawing and description of a barometer.Weather Instruments: Learn about the instruments scientists use to predict the weather.Weather Instruments: Short encyclopedia entries for several different weather instruments.