Term | Definition |
energy | ability to do work |
conductor | material that allows heat energy or electricity to pass through easily |
flow | passage of electrons in a closed circuit |
electric current | constant flow of electrons through a conductor |
electric circuit | complete pathway of conductors that electrons flow through |
insulator | material that does not let heat or electricity pass through easily |
series circuit | consists of batteries, wires, and a device |
parallel circuit | cross-wired circuit that is found in all homes |
light | a form of energy that travels in waves and can move through empty space where there is no air |
opaque | not transparent or
translucent; impenetrable
to light; not allowing light
to pass through |
reflection | the bouncing back of light rays from a surface |
refraction | the bending of light rays as they move from one material into another material |
translucent | permitting light to pass
through but diffusing it so
that persons,objects, etc., on the opposite side are
not clearly visible |
transparent | having the property of
transmitting rays of light
through its substance so
that bodies situated
beyond or behind can be
distinctly seen |
force | a push or pull |
pull | exert force on (someone or something), typically by taking hold of them, in order to move or try to move them toward oneself or the origin of the force. |
push | exert force on (someone or something), typically with one's hand, in order to move them away from oneself or the origin of the force. |
gravity | the force that pulls objects toward each other |