Energy & Power TWO
The Law of Conservation of Energy says...___ energy is destroyed
________ said that energy can sometimes be created by destroying matter
In environmental science, conserving energy means to ________ it, not waste it.
In physical science, energy is conserved because the total quantity of energy remains __________.
the amount of work done in a unit of time.
SI unit of measurement for work
SI unit of measurement for power is joules/seconds or
Energy per second
A 100-watt bulb is brighter...it gives off more _________.
_________ used the word horsepower to compare the work of a steam engine to a horse
Modern day people use the unit horsepower when talking about ________
Horsepower is ______ an SI unit of power
Work divided by time
The formula for power is _______.