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41 Cards in this Set
- Front
- Back
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all objects in motion have ________ energy, which is energy due to its _______ |
kinetic. motion |
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within a given substance, particles in the substance's _________ state have the least amount of kinetic energy and particles in the ________ state have the most kinetic energy. |
solid. liquid |
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___________ is the measure of the average kinetic energy of all the particles in an object |
temperature |
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a temperature increase within a given substance a means that the particles, on average, are moving at ____ speed and have ______ kinetic energy in that substance. |
greater. greater |
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particles have _____ energy as well as kinetic energy |
potential |
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potential energy is _______ energy |
stored |
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chemical potential energy _____ as the particles get farther apart and __________ as the particles become closer together |
decreases |
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the total kinetic and potential energy of an object is a measure of its _______ |
thermal energy |
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an objects state of matter can be changed by adding or removing __________ |
thermal energy |
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adding thermal energy to an object causes the particles to move faster increased _______ or to get farther apart increase ________ or do both |
kinetic. potential |
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when enough thermal energy is added, a solid changes to a ________; this process is called _________ |
liquid. melting |
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when enough thermal energy leaves a liquid, the liquid changes to a ______; this process is called _____ |
solid. freezing |
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a liquid changes to a gas during the process of ? |
vaporization |
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if the vaporization occurs within a liquid, the process is called ? |
boiling |
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vaporization that occurs only at the surface of the liquid is called ? |
evaporation |
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__________ is the change of state from a solid to a gas without going through the liquid state |
sublimation |
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_________ the change of state from a gas to a solid without going through the liquid state |
deposition |
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the only substance that exists naturally on Earth in all three states is _______ |
water |
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when you add _________ energy to ice, the temperature of the ice increases, which means that the ________ of the water molecules increase |
Thermal. Kinetic |
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at the __________ point of water 0 degrees c, water molecules vibrate so fast that they begin to move out of their places and melting occurs |
melting points |
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once a substance melts, the average _________ energy of its particles begins to increase again as more _____ energy is added |
kinetic. thermal |
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when water reaches its ________100 degrees C, liquid water begins to change to water ___________ |
boiling. vapor |
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when thermal energy is removed from water vapor, it ________ at 100 degrees C and the liquid water _________ at 0 degrees C |
boils. melts |
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matter and ___________ are always conserved during a change of state. |
energy |
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Matter changes form during a change of state, but it is ________ |
energy |
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energy is __________ or released during a change of state, but it is conserved during this change |
absorbed |
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temperature at which a solid state changes to a liquid state |
melting point |
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can result form adding or removing thermal energy |
change of state |
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the change of state from a gas to a liquid |
condensation |
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temperature at which matter changes from liquid to solid |
freezing point |
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stored energy resulting from the interactions between particles or objects |
potential energy |
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vaporization that occurs only at the surface of a liquid |
evaporation |
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the energy an object has due to its motion |
kinetic energy |
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gas becomes solid without first becoming a liquid |
deposition |
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total potential and kinetic energy of an object |
temperature |
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solid becomes gas without first changing to liquid |
sublimation |
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measure of the average kinetic energy of all the particles in an object |
thermal energy |
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kinetic energy stops increasing and the potential energy starts increasing |
vaporization |
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change in state from a liquid to a gas |
boiling point |
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two types of vaporization |
evaporation and condensation |
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study
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study |
