1: the age of a rock or formation given relative to other rocks or formation, usually defined as a zone fossil name |
independent variable [__] | relative age [__] | parasitism [__] | electric current [__] |
2: energy made available by the flow of electric charge through a conductor |
technology [__] | biosphere [__] | electromagnetic spectrum [__] | electrical energy [__] |
3: turning or bending of any wave, such as light or sound wave, when it passes from one medium into another of different optical density |
refraction [__] | conservation of energy [__] | forms of energy [__] | technology [__] |
4: hold or carry in equilibrium |
unbalanced forces [__] | forms of energy [__] | balanced [__] | cells [__] |
5: the smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons. |
forms of energy [__] | conservation of energy [__] | cells [__] | atoms [__] |