Heat and Changes of State
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Melting | The changing of a solid into a liquid
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| Melting point | The temperature at which melting occurs
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| Freezing | The changing of a liquid into a solid
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| Freezing point | The temperature at which freezing occurs
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| Solutes | Substances which dissolve in a liquid
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| Latent heat | The "hidden" heat absorbed or released when a substance undergoes a change of state
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| Heat of fusion | The latent heat required to change a given mass of a solid into a liquid without changing its temperature
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| Evaporation | The change of a substance from a liquid into a gas
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| Volatile | Liquids which evaporate rapidly
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| Nonvolatile | Liquids which evaporate slowly
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| Boil | When evaporation occurs throughout the liquid
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| Boiling point | The temperature at which a substance boils
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| Heat of vaporization | The quantity of heat required to change a given amount of liquid already at its boiling point into gas without raising its temperature
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| Condensation | The process of a gas changing into a liquid
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| Saturation point | When the amount of water evaporating equals the amount condensing
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| Dr. John Gorrie | The man who created the first mechanical cooling system
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| Sublimation | When a gas may change directly into a solid by the same process
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| Plasma | The fourth state of matter
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Jer Stephens
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