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35 Cards in this Set

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