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ISChapter 3 Vocab Qs
Chapter 3 Vocab Questions from Physical Science Book
Question | Answer |
---|---|
What is a solid? | The state of matter which materials have a definite shape and volume. |
What is a liquid? | The state of matter which a material has a definite volume but not a definite shape. |
What is a gas? | The state of matter which a mterial has neither a definite shape nor a definite volume. |
What is Kinetic Energy? | The energy and object has due to it's motion. |
What is pressure? | The result of a force distributed over an area. |
What is absolute zero? | A temperature of 0 K. |
What is Charle's Law? | A law that states that the volume of a gas is directly proportional to it's temperature in kelvins if the pressure and the number of particles in the gas are constant. |
What is Boyle's Law? | A law that states that the volume of a gas is inversely proportional to it's pressure if the temperature and the number of particles are constant. |
What is a phase change? | The reversible physical change that occurs when a substance changes from one state of matter to another. |
What is an endothermic change? | A change in which the system absorbs energy from it's surroundings. |
What is heat of fusion? | The energy a substance must absorb in order to change from a solid to a liquid. |
What is an exothermic change? | A change in which the system releases energy into it's surroundings. |
What is vaporization? | The phase change which a substance changes from a liquid into a gas. |
What is evaporation? | The process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point. |
What is vapor pressure? | The pressure caused by the collisions of this vapor and the walls of the container. |
What is Condensation? | The phase change which a substance changes from a gas or vapor to a liquid. |
What is Sublimation? | The phase change which a substance changes from a solid to a gas or vapor without changing to a liquid first. |
What is Deposition? | The phase change which a substance changes from a gas or vapor to a solid without changing to a liquid first. |