| TECTONICS | From "builder", the study of the structure of Earth's lithosphere and crustal plates; or, the art or science of construction or architecture (9) |
| GEOLOGY | Scientific study concerned with the structure of Earth (7) |
| CONTINENTALDRIFT | Slow movement of crustal plates |
| LEARN | Master builder, the fourth to take home wages (5) |
| RIGGING | Ship's cordage supporting its masts and sails; or, the art or science of adjusting a rowing boat and its oars according to its crew (7) |
| TREEN | Bowls, boxes, goblets, spoons and other household articles of carved/turned wood; or, the art or craft of making said woodenwares (5) |
| HITCHERS | It's hard on richest builders - the ones needing a lift (8) |
| PLATE | Each of the several pieces of Earth's lithosphere (5) |
| ISOSTASY | Rising or settling of a portion of Earth's lithosphere (8) |
| PLATES | Sections of Earth's lithosphere which move slowly relative to each other (6) |
| ELEMENT | The Spanish remove top from builder's mix to make a basic ingredient (7) |
| BOLSTER | Brace and bit from builder's toolbox (7) |
| SKI | Runner removing base from builder's container? (3) |
| ANATOMIC | Of the study of the structure of the body (8) |
| ANATOMY | Study of the structure of the body |
| CHEMISTRY | The scientific study of the structure of substances (9) |
| MAP | From the Latin meaning "sheet of the world", any one of the many diagrammatic representations of Earth's surface created in the art or science of cartography (3) |
| OSTEOLOGY | The study of the structure and function of bones (9) |
| SCIENCE | Study of the structure and behaviour of the physical world (7) |
| CYTOLOGY | Scientific study of the structure, functions etc. of plant and animal cells (8) |
