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Changes of State
8th Grade Changes of State
| Question | Answer |
|---|---|
| The change in state from a solid to a liquid is called.. | melting |
| In the most pure substances, melting occurs at a specific temperature called.. | melting point |
| The change of state from liquid to solid is called.. | frezzing |
| The change of state from a liquid to a gas is called.. | vaporazation |
| When does vaporization take place? | Vaporization takes place when the particles in a liquid gain enough energy to form a gas. |
| Each liquid boils only at a certain temperature, which is called its.. | boiling point |
| Why is the boiling point of water lower in the mountains than it is at sea leavel? | In places close to sea level the boiling point of water is 100 degrees celcuis. In the mountains, however air pressure is lower and so is the water's boiling point |
| When condensation occurs, does a gas lose or gain thermal energy? | Condensation occurs when particles in a gas loses enough energy that they form a gas. |
| During... particles of a solid do not pass through the liqiud state as they form a gas. | sublimation |
| Give an example of sublimation. | Dry ice is the most common name for a solid carbon dioxide. |
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Music1741
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