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When the temperature of a substance changes, the amount of random thermal motion on a molecular or atomic level changes accordingly; higher temperature means faster motion. A sufficient amount of temperature change will also result in a phase change. Cooling liquids freeze, heated liquids boil, heated solids melt, and so forth.
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What happens to the physical properties of substances when they are at room temperature?
At room temperature, the physical properties of substances can change. For example, some substances may melt, freeze, evaporate, or condense. These changes can affect properties like color, texture, and state of matter.
When you saw the changes to a liquid the temperature at which this happens just called?
What's the temperature at which this happens when changes to a solid to a liquid
What energy source changes a substances temperature?
Friction
What happens when a substances changes from a gas to a liquid?
It "condenses".
What happens to substances temperature during a change of state?
Temperature remains constant
When do most substances lose or gain energy?
Most substances lose or gain energy when their temperature changes.
What are some physical changes caused by changes in temperature?
it causes the 1. melting of solid substances 2. the solidification of liquid substances\ 3. the deformation of matter.
When equal amounts of energy are transferred to or from equal masses of different substances the substances will undergo different changes in temperature because of their different...?
substances
When equal amounts of energy are transferred to or from equal masses of different substances the substances will undergo different changes in temperature because of their different?
substances
When a substance changes state what happens to its thermal energy?
Changes the temperature of the substance
When a star changes from blue to red what happens to the surface temperature?
The temperature is lowered.
Are properties affected by changes in temperature and and pressure?
Yes, properties of substances such as volume, density, and solubility can be affected by changes in temperature and pressure. For example, as temperature increases, most substances tend to expand, and as pressure increases, the volume of gases tends to decrease.
