1. pigment   twisting force producing rotation.   product of mass and velocity for a moving body; impetus.   combining elements to produce whole system.   coloring agent.   Hint Half-n-half Clue   2. log   stone to test gold alloys; criterion.   record of daily activities.   mental disorder.   animal that nurses its young in a pouch.   Half-n-half Clue   3. sextant   very tiny quantity.   target or goal.   incompatibility or lack of uniformity.   navigational instrument for angular measurements.   Half-n-half Clue   4. velocity   pointers or indications.   lowest point in wave; shallow receptacle.   unit for measuring light energy.   speed or rate of motion.   Half-n-half Clue   5. repulsion   representation on a miniature scale.   speed or rate of motion.   increase.   tendency to drive back or distaste.   Half-n-half Clue   6. mammal   animal or plant living in or on another; sycophant.   target or goal.   vertebrate animal whose female suckles the young.   array of numbers or symbols; mold or die.   Half-n-half Clue   7. yield   amount produced or income earned.   observed fact or occurrence subject to scientific study.   breathing.   coloring agent.   Half-n-half Clue