====== Differential Thermometer ====== {{tag> thermodynamics heat untagged located}} {{DifferentialThermometer_001.jpg?400|}} // // ===== Description ===== Demonstrates that black is a good heat absorber. heat absorption, Kirchoff's Radiation Law Useful Links: [[ http://home.howstuffworks.com/question32.htm | How Stuff Works ]]provides a brief explanation of why the colour black is a good absorber. Updated on: 06/19/13 ===== Purpose ===== To show that a black surface absorbs heat more readily than a bright or shiny surface. ===== Apparatus ===== differential thermometer, light ===== Setup ===== Even the levels of liquid in the U-tube by opening the valve. Close the valve and direct the light on both the black and shiny bulbs. The levels will change. ===== Notes ===== // Demo room information // | **Location** | C2 | | **Maker** | Unknown | | **Current State** | Working |