| ASTROPHYSICS | Science of the properties of celestial bodies (12) |
| ASTROPHYSICIST | Psychiatrist so excited by student of the properties of celestial bodies (14) |
| AERODYNAMICS | Study of the properties of moving air (12) |
| TRIGONOMETRY | Field of geometry concerned with the properties of and relations among the parts of a triangle (12) |
| PHYSICS | That branch of science concerned with the study of the properties of space, time, matter and energy (7) |
| ACOUSTICS | The study of the properties of sound (9) |
| ACOUSTIC | Of the properties of sound (8) |
| MASS | One of the properties of matter (4) |
| ASTRONOMICAL | Relating to the study of celestial bodies, it is extremely large (12) |
| METALLURGY | The scientific study of the properties and uses of hard substances such as gold and iron (10) |
| PARTICLE | ___ physics, study of the properties and interactions of subatomic matter (8) |
| MOLECULE | The smallest part of a substance which retains the properties of that substance (8) |
| TRIG | Informal word for the branch of maths dealing with the properties of three-sided polygons (4) |
| OPTICS | Branch of physics that studies the properties of light (6) |
| TESTPIT | Small excavation made to examine the properties of the ground (4,3) |
| DENATURED | Changed the properties of a turn of a sort, indeed (9) |
| HEATTREATMENT | Means of modifying the properties of a metal |
| DIRAC | Nobel Prize-winning theoretical physicist who described the properties of the electron and predicted |
| DEBROGLIE | The first physicist to suggest that subatomic particles can also have the properties of waves (2,7) |
| GEOMETRY | Branch of mathematics regarding the properties of points, lines, surfaces and solids (8) |