RLNI+1.2

Vocabulary

 * Heat transfer**: the movement of energy from a warmer object to a cooler object
 * Radiation**: energy transfer through empty space **Convection:** heat transfer by movement of a heated fluid
 * Conduction:** heat transfer by direct contact
 * Density:** how much mass in a volume of a substance
 * Convection Current**: flow which transfers heat without a fluid

Outline

 * ===**Radiation**===
 * ===**Conduction**===
 * ===**Convection**===
 * **Convection in Earth's Mantle**