energy and energy resources vocab Flashcards
Energy
the ability to do work
fossil fuels
nonrenewable resource that takes thousands of years to restore natural gas/oil/coal
generator
converts mechanical energy to electrical energy
kinetic energy
constantly moving
potential energy
energy that gets stored and doesn’t move
fission
nucleus splits
fusion
nucleus conects
energy conversion
changing from one energy to another
energy efficiency
how well energy is being used
friction
a force that opposes motion between surfaces that are touching
fossil fuels
energy resources that formed from the buried remains of plants and animals that lived millions of years ago
law of conservation of energy
this states that energy cannot be created or destroyed
closed systems
a well defined group of objects that transfer energy to one another
mechanical
kids of energy that is the sum of kinetic and potential energy
gravitational
a potential energy dependent upon an objects weight and distance from earths surface
conversion
a change of one form of energy into another
nuclear energy
produced when two or more nuclei join together or when the nucleus of one atom splits apart
energy resource
a natural resource that can be converted by humans into other forms of energy in order to do useful work
energy efficiency
a comparison of the amount of energy before a conversion with the amount of useful energy after a conversion
nancy newhalls quotation
conservation is humanity caring for the future
