1. amount produced or income earned.   quadruped   yield   magnitude   syllogism   Hint Half-n-half Clue   2. different form of an element.   isotope   microcosm   suture   insomnia   Half-n-half Clue   3. topmost point or summit.   vertex   respiration   refraction   vortex   Half-n-half Clue   4. record of daily activities.   log   solstice   patina   pachyderm   Half-n-half Clue   5. change of form, character or circumstances.   increment   metamorphosis   log   molecule   Half-n-half Clue   6. terms used in a science or discipline.   precipitant   sextant   terminology   plasticity   Half-n-half Clue   7. remainder or balance.   residue   microcosm   placebo   iota   Half-n-half Clue