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Cards In This Set
| Front | Back |
 Change |
When something becomes different.
|
 State |
The structure, the form, or the constitution of something.
|
 Solid |
A substance that stays the same shape whether it is in a container or not.
|
 Liquid |
A substance which is not solid but which flows, for example water.
|
 Gas |
A substance like air that is neither liquid nor solid, for example oxygen or hydrogen.
|
 Melting |
The action of changing from a solid to a liquid as the temperature is raised.
|
 Freezing |
The process in which something changes from liquid to solid as the temperature becomeslower.
|
 Evaporation |
When a liquid changes to a vapor, caused by an increase in temperature and/or a decrease in pressure.
|
 Boiling |
The action of heating a liquid until it becomes a vapor.
|
 Condensation |
The action of turning a vapor into a liquid by contact with a cool surface.
|
 Sublimation |
The process or instance that changes or causes to change directly from a solid to a vapor or gas without first melting.
|
 Example of physical change from solid to liquid: melting. |
Ice melts.
|
 Example of physical change from liquid to solid: freezing. |
Ice forms in the freezer.
|
 Example of physical change from liquid to gas: evaporation - boiling. |
Clothes dry.
|
 Example of physical change from gas to liquid: condensation. |
Drops of the water form on a glass holding a cold drink.
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