Question | Answer |
when an object stores energy because of its position, shape, or state. the object has the potential to do work | potential energy |
the energy assocated with a moving body, by virtue of its motion. | kinetic energy |
the splitting of the nucleus of a heavy atom into two main parts, accompanied by the release of much energy. | nuclear fission |
the combining of nuclei of light atoms to form heavier nuclei, with the release of much energy. | nuclear fusion |
probability per second that a given atom will fission spontaneously - that is without any external intervention. | spontaneous nuclear fission |
sound consists of molecules vibrating in rhythmic patterns: shake a group of molecules that, in turn, disturb others | sound |
a substance or material which carries the wave | medium |
originates from the motion of electrons within atoms | light |
radiant energy exists in the form of electromagnetic waves | electromagnetic waves |
a wave in which particles of the medium move in a direction perpendicular to the direction which the wave moves. | transverse waves |
heat is the flow of thermal energy due to a temperature difference | heat |
a wave can be descrived as a disturbance that travels through a medium from one location to another location | wave properties |
the range of all possible frequencies of electromagnetic radiation. | electromagnetic spectrum |
prtoms attract eelctrons and we have atoms. Electrons repel electrons and we have matter - because atoms don't mesh into one another | electricity |
can both attract and repel without touching, and the strenght of their interaction depends on the distance between them. Regions called magnetic pols give rigse to magnetic forces. | magnetism |
any path along which electrons can flow is a circuit | electric circuits |
an electric circuit with two or more devices connected in such a way that the smae voltage acts across each one, and any single one completes the cicuit independently of all the others | parallel circuit |
an electric circuit with devices connected in such a way that the same electric current exists in all of them | series circuit |
combination resistive circuits, otherwise known as series-parallel resistive circuits, combine resistors in series with resistors in parallel | series-parallel circuit |