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35 Cards in this Set
- Front
- Back
States of Matter
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The different forms in which matter can
exist, such as solid, liquid, or gas. |
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Experiment
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An organized procedure to study something
under controlled conditions. |
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Physical Property
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A characteristic of a substance that can be
observed without changing the identity of the substance. |
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Physical Change
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A change in a substance that does not
change the substance into a different one. |
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Chemical Change
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A change of one substance into another
substance. |
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Chemical Property
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A characteristic of a substance that
describes how it can form a new substance. |
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Chemical Reaction
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The process by which chemical changes
occur. |
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Classification
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The systematic grouping of different types
of organisms by their shared characteristics. |
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Energy
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The ability to do work or the cause change.
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Kinetic Energy
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The energy of motion.
|
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Potential Energy
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Stored energy; the energy an object has due
to its position, molecular arrangment, or chemical composition |
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Law of Conservation of Energy
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A law stating that no matter how energy is
transferred or transformed, it continues to exist in one form or another |
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Heat
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The flow of energy from an object at a higher temperature to a lower temperature.
|
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Thermal Energy
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The energy an object has due to the motion
of its particles. |
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Calorie
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The amount needed to increase the temperature of one gram of water by one
degree Celsius. |
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Joule
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A unit used to measure energy and work.
|
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Specific Heat
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The amount of energy required to raise the temperature of one gram of a substance by one degree Celsius.
|
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Conduction
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The process by which energy is transferred from a warmer object to a cooler object by means of physical contact.
|
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Conductor
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A material that transfers energy easily.
|
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Insulator
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A material that does not transfer energy easily.
|
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Convection
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A process by which energy is transferred in gases and liquids, occurring when a warmer, less dense area of gas or liquid is pushed up by a cooler, more dense area of the gas or liquid.
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Radiation
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Energy that travels across distances in the form of electromagnetic waves.
|
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Circuit
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A closed path through which a charge can flow.
|
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Resistor
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An electrical device that slows the flow of charge in a circuit.
|
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Short Circuit
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An unintended and undesired path connecting one part of a circuit with another.
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Series Circuit
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A circuit in which current follows a single path.
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Parallel Circuit
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A circuit in which current follows more than one path.
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Magnet
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An object that attracts certain other materials, particularly iron and steel.
|
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Electromagnetism
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Magnetism that results from the flow of electric charge.
|
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Electromagnet
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A magnet that consists of a piece of iron or steel inside a coil of current-carrying wire.
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Electric Current
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A continuous flow of electric charge, which is measured in amperes.
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Generator
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A device that converts kinetic energy, or the energy of motion, into electrical energy.
|
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Direct Current
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Electric current that flows in one direction only.
|
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Alternating Current
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Electric Current that reverses direction at regular intervals.
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Transformer
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A device that uses electromagnetism to increase or decrease voltage.
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