Answer: energy

AnswerCrossword Clue
ENERGYLiveliness of show
ENERGYCapacity for performing work, in physics.
ENERGYCapacity of acting.
ENERGYForce.
ENERGYMain item in Relativity equation.
ENERGYPower.
ENERGYAtom product.
ENERGYVitality.
ENERGYAtom's forte
ENERGYAtomic, for one
ENERGYAtomic or kinetic
ENERGYCrisis source
ENERGY"... is Eternal Delight": Blake
ENERGYCurrent "crisis" topic
ENERGYWorld problem
ENERGYSun issuance
ENERGYHodel's department
ENERGYAnother Cabinet post
ENERGYBrio
ENERGYLiveliness
ENERGYOomph
ENERGYIt's no matter
ENERGYCabinet department since 1977
ENERGYWhat some bars provide
ENERGYIt can be conserved
ENERGYLife
ENERGYStamina
ENERGYForce
ENERGY... bar
ENERGYPuissance
ENERGYCoal, gas or wind can supply it
ENERGYConserver's concern
ENERGYPotential or kinetic quality
ENERGYSteven Chu's cabinet department
ENERGYPotential topic to discuss in science class?
energythe capacity to do work
energythe power required for doing work
energysource of usable power, as oil
energythe capacity for vigorous activity
ENERGYCabinet post