1. marsupial   different form of an element.   animal that nurses its young in a pouch.   substance or liquid that dissolves solute.   smallest particle of a substance with all its properties.   Hint Half-n-half Clue   2. terminology   terminology or method of naming.   substance that causes solid matter in solution to deposit.   unit for measuring light energy.   terms used in a science or discipline.   Half-n-half Clue   3. quadruped   animal with four feet.   violent disturbance or agitation.   substance that helps propel or push forward.   substance or liquid that dissolves solute.   Half-n-half Clue   4. sextant   remainder or balance.   navigational instrument for angular measurements.   sameness or consistency.   sleeplessness.   Half-n-half Clue   5. solvent   substance or liquid that dissolves solute.   pattern with balance or harmony.   size or extent.   animal with four feet.   Half-n-half Clue   6. phenomenon   stitching of parts at their edges; thread or wire.   observed fact or occurrence subject to scientific study.   poisonous element that communicates infection.   unit for measuring light energy.   Half-n-half Clue   7. orifice   supporting bar in framework or pompous walk.   small opening of cavity.   tube with patterns from colored glass piece reflections.   tool with jaws for holding work.   Half-n-half Clue