| LITHOSPHERE | Earth's crust and upper mantle |
| MOHO | Boundary between the earth's crust and mantle (4) |
| ISOSTASY | State of equilibrium between the earth's crust and mantle |
| GEMSTONE | Typically formed within Earth's crust and cut and polished by a lapidarist, a general word for a mineral crystal such as sapphire, diamond, topaz or opal (8) |
| TECTONIC | Relating to the earth's crust and its movements |
| MANTLE | Layer between earth's crust and core (6) |
| STRATA | Earth's crust and others |
| OXYGEN | The most abundant element in Earth's crust and the human body (6) |
| IRON | This metal makes up 5 percent of Earth's crust and is second in abundance to aluminum among the metals. The average quantity of this mineral in the human body is about 4.5 grams (about 0.004 percent), |
| ALUMINIUM | Third most abundant element in the earth's crust, and the most abundant metal (9) |
| STENO | Crystallography pioneer who discovered that Earth's crust and strata contains a chronological history of its geologic events (5) |
| MAGMA | Hot, molten rock, usually formed in the earth's upper mantle (5) |
| GREATPUMPKIN | "And that pie! A delicious crust, and ___!" |
| COLUMBUS | Clubs contain old and male and upper class he discovered (8) |
| MERMAID | Imaginary sea creature fabled to have a woman's head and upper body and a fish's tail (7) |
| VAGUS | Tenth and longest of the cranial nerves, supplying the heart, lungs and upper digestive tract (5) |
| MERMAIDS | Imaginary sea creatures fabled to have the heads and upper bodies of women and the tails of fish (8) |
| ELBOW | Joint between the forearm and upper arm (5) |
| DRUMUP | Canvass doctor and upper class politician about university |
| SHIFT | Key to move between lower- and upper-case (5) |
