| CRYSTALLOGRAPHY | Science concerned with the structure of solid substances such as quartz, whose atoms are arranged in a definite pattern (5) |
| CRYSTALS | Solids whose atoms are arranged in an ordered repeating pattern (8) |
| CAKE | A block of solid substance (such as soap or wax) (4) |
| AGATE | Semiprecious banded variety of quartz whose varieties include moss, dendritic, plume etc. (5) |
| BAR | Block of solid substance (3) |
| CURDS | Solid substances in milk products |
| CRYSTAL | An array of atoms in the form of a mineral such as quartz (7) |
| ANATOMY | Branch of biology concerned with the structure of the body (7) |
| MYOLOGY | Which branch of medical science is concerned with the structure and diseases of muscles? (7) |
| METALLURGY | The scientific study of the properties and uses of hard substances such as gold and iron (10) |
| GEOLOGY | Scientific study concerned with the structure of Earth (7) |
| SPIRITS | Alcohol denatured by the addition of poisonous substances such as methanol, used as a fuel, solvent etc. (10,7) |
| METHYLATED | Alcohol denatured by the addition of poisonous substances such as methanol, used as a fuel, solvent etc. (10,7) |
| CARBON | Element whose atoms are found in a buckyball (6) |
| ACIDITY | Level of acid in substances such as water, soil or wine (7) |
| ANAT | Subject dealing with the structure of humans and animals for short |
| CULTUREMEDIA | Substances such as agar gel, as used in Petri dishes |
| UMAMI | The taste of substances such as monosodium glutamate (5) |
| PESTLE | Club-shaped implement used to grind substances such as garlic in a mortar. (6) |
| INERTGAS | Group of non-reactive substances such as neon and argon (5,3) |
