Vocab
what is energy
types of energy
Energy sources
100
the ability to do work or cause change
What is Energy?
100
potential energy is...STORED
What is potential energy?
100
A disturbance that travels through a medium as a weave
What is sound energy
100
Stars and lightning are natural sources of radio waves, but these are also produced by the antenna on a radio transmitter.
What is electromagnetic energy
200
Unit of measurement for energy
What is joule?
200
kinetic energy
What is The energy associated with motion
200
A form of energy not associated with particles of objects
What is mechanical energy
200
The amount of GPE an object has depends on its mass and its height above the Earth's surface.
What is gravitational potential energy
300
The energy of motion
What is kinetic energy?
300
The truck has greater kinetic energy because its mass is greater.
A large truck and a motorcycle are moving at the same speed. Which one has the greater kinetic energy?
300
A nuclear reaction in which the nuclei of atoms JOIN together
What is nuclear fusion
300
Fossil fuels 67% (coal 41%), oil (5.1%), natural gas (21%) Renewable energy 16% (mainly hydroelectric (92%), wind (6%), geothermal (1%), and solar (1%) Nuclear power 13% Other sources 3% (i.e., biofuels and biomass)
What is electrical energy
400
Energy that is stored and held in readiness
What is Potential Energy?
400
Speed and Mass
What two factors affect kinetic energy?
400
may be released during a reaction , often in the form of heat ; such reactions are called exothermic
What is chemical energy?
400
A power source, be it wind, diesel, water or sun, causes a generator to move a turbine, which in turn produces electricity. The only major difference is, in the case of magnetic energy, the power source that turns the turbine is the earth's freely available
What is Magnetic energy
500
potential energy that depends on hight
What is gravitational potential energy?
500
reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space.
What is electromagnetic energy
500
a form of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space.
What is electromagnetic radiation?
500
the only form of energy that we can actually see directly. It is formed through chemical, radiation, and mechanical means
What is light energy