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DICKSON Ch 2 Review
homwork
Question | Answer |
---|---|
A change of state from a solid to a liquid | melting |
A change of state from a liquid to a solid | freezing |
A change of state from a gas to a liquid | condensation |
A change of state from a liquid to a gas | evaporation |
A change of state from a gas to a solid without going through the liquid phase | deposition |
A change of state from a solid to a gas without going through the liquid phase | sublimation |
Stored energy is _____ energy | potential |
Energy in motion is ______ energy | kinetic |
melting requires a energy to be ______ to the substance | added |
evaporation requires energy to be _____ from the substance. | removed. |
The ______ kinetic energy of the particles in a substance is measured by temperuature | average |
__________ energy is the potential and kinetic energy of a substance. | Thermal |
The temperature when a solid changes to a liquid is called the _____ _____. | melting point |
The temperature when a liquid changes to a solid is the _____ ______. | freezing point. |
Adding or removing energy from a substance results in a change of ______. | state |
A pure type of matter is called a _________. | substance |
Anything with a mass and a volume is called ____. | matter |
Particles move ______ when thermal energy is added to the substance. | faster |
Particles move ______ when thermal energy is removed from the substance. | slower |
matter that has no definite shape or definite volume | gas |
matter that has a definite volume but no definite shape | liquid |
matter that has a definite shape and definite volume | solid |
When a liquid evaporates, it becomes a | vapor |
When we see the state of matter on the periodic table, it is the state at _____ _____. | room temperature. |
When a substance is heated, the particles are ________ apart. | farther |
When a substance is cooled, the particles are _________ together. | closer. |
mass divided by volume (m/v) is the equation for ____. | density. |
the particles in a solid move by ______ in place. | vibrating |
the particles in a liquid move by _____ past each other. | sliding |
the particles in a gas move by _______ with each other. | colliding |
The amount of matter in an object is its ______. | mass |
The amount of space that the object takes of is its ____. | volume. |
Particles in a gas have _____ motion than particles in a solid or a liquid. | greater. |
Particles in a liquid have _____ motion than particles in a gas. | less |
The temperature at which a substance changes from a liquid to a vapor is called the ______ ______. | boiling point |
When a substances changes states of matter, energy (is/is not) lost. | is not |
During condensation, energy is ________ from the substance. | released. |
During evaporation, energy is _____ into the substance. | absorbed |
When energy is released from a substance, that energy is released to the ______. It is not lost. | environment. |
For a substance to change states, thermal ______ must be absorbed or released. | energy. |
When thermal energy is added to a liquid, kinetic energy _____. | increases. |
Thermal energy is the ____ of potential and kinetic energy. | sum |
When the temperature of a substance ____, the particles move slower. | decreases. |
_______ at the surface is called evaporation. | vaporization |
Vaporization throughout the liquid is called _______. | boiling |
Potential energy is the measure of the _______ between particles | distance |
Kinetic energy is the measure of the _____ or temperature of the particles | speed |
As the speed of particles increase, the ______ of the substance also increases . | temperature. |