1. velocity   terms used in a science or discipline.   observed fact or occurrence subject to scientific study.   speed or rate of motion.   amount produced or income earned.   Hint Half-n-half Clue   2. vent   small outlet or inlet.   stitching of parts at their edges; thread or wire.   similarity or state of being parallel.   missile or shell.   Half-n-half Clue   3. spectrum   reasoning with major premise, minor premise and conclusion.   band of colors formed when light passes though a prism.   observed fact or occurrence subject to scientific study.   small opening of cavity.   Half-n-half Clue   4. spatula   ring (of leaves around the stem).   animal with four feet.   tube with patterns from colored glass piece reflections.   tool with edgeless blade for mixing and spreading.   Half-n-half Clue   5. symmetry   substance that causes solid matter in solution to deposit.   partly lighted shadow.   pattern with balance or harmony.   pointers or indications.   Half-n-half Clue   6. isotope   topmost point or summit.   universal remedy or cure-all.   path followed by body under forces.   different form of an element.   Half-n-half Clue   7. touchstone   universal remedy or cure-all.   stone to test gold alloys; criterion.   sameness or consistency.   product of mass and velocity for a moving body; impetus.   Half-n-half Clue