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Heat Transfer 2
| Question | Answer |
|---|---|
| Mass | The amount of matter that something is made of |
| Matter | Anything that has mass and volume |
| Energy | The ability to do work (Work = force x distance) |
| Atom | The smallest part of an element that has all the properties of that element |
| Molecules | Neutral group of atoms held together by covalent bonds |
| 1st Law of Thermodynamics (Conservation of Energy) | Energy cannot be created nor destroyed. It can be transformed from one form to another |
| 2nd Law of Thermodynamics | In any transformation of energy form one form to another, there is always a decrease in the amount of useful energy given off as heat |
| Melting | The change in state from a solid to a liquid |
| Freezing | The change in state from a liquid to a solid |
| Evaporating | The change in state from a gas to a liquid |
| Sublimation | Conversion of a solid directly to a gas without passing through the liquid state |
| Deposition | Conversion of a gas directly to a solid without passing through the liquid state |
| Latent Heat | The energy absorbed or released during a change in state |
| Change of State (Phase Change) | Conversion of a substance from one physical form to another |