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Energy notes review

for quiz

QuestionAnswer
energy the ability to do work
work when a force causes an object to move in a particular direction
kinetic energy the energy of motion
what kinetic energy depends on mass and speed
potential energy the energy an object has because of its position
the amount of gravitational potential energy weight and height
mechanical energy the total energy of motion and position of an object
thermal energy the amount of heat caused by the motion of atoms in a substance
chemical energy the energy stored within the bonds between atoms
nuclear energy the energy that is stored in the nucleus of an atom
electrical energy the energy of moving electrons
sound energy energy caused by vibrating particles
light energy a form of energy that travels as an electromagnetic wave
how light is produced the vibration of electrically charged particles
energy conversions a change from one form of energy to another
the law of conservation of energy energy cannot be created or destroyed but can be changed in form
waste heat converting chemical energy from gas into mechanical energy
renewable energy sources of nature that can naturally replenish themselves on a human timescale
examples of renewable energy wind energy, hydropower energy, etc
examples of non-renewable energy fossil fuel energy, coal, etc
photovoltaic cell a device that converts solar energy to electrical energy
where are photovoltaic cells used solar panels and some calculators
solar energy energy from the sun
hydroelectric power the electric produced by flowing water
wind energy moving air caused by solar energy
biomass fuels fuels made from living things
geothermal energy heat that is drilled from inside earth
hydrogen power energy made from using hydrogen as fuel
nuclear fission the splitting of an atom's nucleus
nuclear fusion when two nuclei are combined to produce a single larger nucleus
How a meltdown occurs if the fuel rods in the reactor start to heat and can cause an explosion
Gravitational potential energy(GPE) weight x height
Created by: rlin