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Understand the ideas of physics, chemistry, and mathematics through articles, concepts, and examples connected to their sources.
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Energy
A quantity that makes it possible to describe and account for physical transformations.
Explore this reference Concept · PhysicsPower
The rate at which energy is transferred or transformed.
Explore this reference Quantity and unit · PhysicsJoule
International System unit for energy, work, and heat.
Explore this reference Concept · ChemistryIon
An atom or group of atoms with a net electrical charge.
Explore this reference Material · ChemistryElectrolyte
A medium that enables charge transport through ions.
Explore this reference Concept · ChemistryRedox reaction
Transformation involving changes in oxidation states.
Explore this reference Material · PhysicsSemiconductor
A material whose electronic properties make it possible to control conduction and photovoltaic conversion.
Explore this reference Material · ChemistrySilicon
A chemical element and semiconductor used in solar cells and electronics.
Explore this reference Concept · PhysicsWave
A disturbance whose propagation makes it possible to transmit signals and energy.
Explore this reference Concept · PhysicsFrequency
Number of repetitions of a periodic phenomenon per unit of time.
Explore this reference Concept · PhysicsWavelength
Distance between consecutive points on a wave that are in the same phase.
Explore this reference Concept · PhysicsAmplitude
Maximum value of a variation relative to equilibrium in a defined oscillation.
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