Question | Answer |
the ability to cause change | energy |
the energy due to the motion and position of an object | mechanical energy |
the energy an object has due to its motion | kinetic energy |
the energy stored in an object because of its position | potential energy |
energy in all objects that increases as the object's temperature increases | thermal energy |
energy stored in particles of matter | chemical energy |
energy carried by light | radiant energy |
energy from the sun | solar energy |
energy carried by an electric current | electrical energy |
law stating the energy is never created nor destroyed, it only changes form | Law of Conservation of Energy |
an energy source that is used up much faster than it can be replaced | nonrenewable resource |
an energy source that is replenished constantly | renewable resource |
a device that transforms radiant energy directly into electrical energy | photovoltaic |
a device that transforms kinetic energy into electrical energy | generator |
a set of fan blades, rotated by the movement of a liquid or gas, that spins a generator | turbine |
any material that easily transfers heat | conductor |
a material in which heat doesn't flow easily | insulator |
the flow of electric charge | electric current |
a closed path through which electric charges can flow | electric circuit |
a circuit that has only one path for the electric current to follow | series circuit |
a circuit that has more than one path for the electric current to follow | parallel circuit |
the force of attraction or repulsion of magnetic materials | magnetism |
magnetic force surrounding a magnet | magnetic field |
a current-carrying wire wrapped around an iron core | electromagnet |
a device that converts electric energy into kinetic energy | motor |