'Good emitter' diaporamas de présentation

Infrared radiation and surfaces

Infrared radiation and surfaces. Here are three different coloured mugs of the same size. If we fill all three mugs with the same amount of water and leave them in the sun, which one will heat up quickest? .

583 views • 34 slides

578 views • 30 slides

447 views • 30 slides

Reading Quiz - Heat

Reading Quiz - Heat. 1. Heat is ___ 1. measured in joules. ___ 2. a form of energy. ___ 3. measured in calories. ___ 4. all of the above. 2. When a material changes phase, ___ 1. heat is given off. ___ 2. heat is absorbed. ___ 3. its temperature remains constant.

771 views • 29 slides

L 18 Thermodynamics [3]

L 18 Thermodynamics [3]. Heat transfer convection conduction radiation emitters of radiation seeing behind closed doors Greenhouse effect Heat Capacity How to boil water. Heat flow. HEAT ? the energy that flows from one system to another because of temperature differences.

382 views • 27 slides

Heat transfer

Heat transfer. Steven barron. What is the role of "loose" electrons in heat conductors?. They carry energy from one part of the conductor to another. Why does a piece of room-temperature metal feel cooler to the touch than paper, wood, or cloth?.

346 views • 12 slides