| Archimedes' principle | The magnitude of a buoyant force on a completely or partially submerged object always equals the weight of the fluid displaced by the object. |
| Boltzmann's constant k | 1.38 × 10-23 J/K |
| Conduction | heat is transferred directly through a material with no bulk movement of material |
| Emissive | the efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1. |
| Heat capacity (specific heat) | the amount of heat that is required to raise the temperature of one g of a substance by 1 degree C. |
| Radiation | the heat transfer by electromagnetic waves – thermal light waves |
| Total momentum before collision | equals total momentum after collision |
| measure of density | kg/m^3 |
Drag corresponding items onto each other to make them disappear.
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