1. orifice   passing from one state to another.   bending of a ray of light due to change in density.   stitching of parts at their edges; thread or wire.   small opening of cavity.   Hint Half-n-half Clue   2. serendipity   tool with jaws for holding work.   discovery by accident.   path followed by body under forces.   vertebrate animal whose female suckles the young.   Half-n-half Clue   3. isotope   similarity or state of being parallel.   topmost point or summit.   different form of an element.   bending of a ray of light due to change in density.   Half-n-half Clue   4. pigment   navigational instrument for angular measurements.   dependant or small heavenly body revolving round large one.   coloring agent.   tool with jaws for holding work.   Half-n-half Clue   5. mirage   substance or liquid that dissolves solute.   optical illusion due to atmospheric conditions.   smallest particle of a substance with all its properties.   animal or plant living in or on another; sycophant.   Half-n-half Clue   6. satellite   reasoning with major premise, minor premise and conclusion.   time when sun is farthest from the equator.   observed fact or occurrence subject to scientific study.   dependant or small heavenly body revolving round large one.   Half-n-half Clue   7. spatula   small outlet or inlet.   different form of an element.   tool with edgeless blade for mixing and spreading.   animal or plant living in or on another; sycophant.   Half-n-half Clue