1: a flow of electricity through a conductor |
balanced [__] | energy pyramid [__] | wave [__] | electric current [__] |
2: the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes |
refraction [__] | dependent variable [__] | parasitism [__] | conservation of energy [__] |
3: the lines of force surrounding a permanent magnet or a moving charged particle |
refraction [__] | energy pyramid [__] | magnetic field [__] | food web [__] |
4: tension is the pulling force exerted by a string, cable, chain, or similar solid object on another object |
electrical energy [__] | conservation of energy [__] | cells [__] | unbalanced forces [__] |
5: the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist |
mutualism [__] | biosphere [__] | electric current [__] | energy transformation [__] |