| GEODESY | Branch of science concerned with the precise measurement of the shape, orientation in space and gravitational field of the Earth (7) |
| ASTROMETRY | Precise measurements of the positions, movements and magnitudes of stars (10) |
| VERNIER | Scale for precise measurements |
| FENGSHUI | In Chinese culture, a system which governs spatial arrangement and orientation in relation to the flow of energy (4,4) |
| GOBI | Widen one's orientation in desert? (4) |
| PAN | David Rose's sexual orientation in "Schitt's Creek," for short |
| PHYSICS | That branch of science concerned with the study of the properties of space, time, matter and energy (7) |
| OPTICS | The branch of science concerned with vision and the behaviour of electromagnetic light (6) |
| ANATOMY | Branch of science concerned with the physical structure of animals and plants, especially as revealed by dissection (7) |
| TOXICOLOGY | Branch of science concerned with the nature, effects and antidotes of poisons (10) |
| ENTOMOLOGY | The branch of science concerned with the study of insects (10) |
| MATHEMATICS | Branch of science concerned with number, quantity and space (11) |
| BACTERIOLOGY | Branch of science concerned with the study of bacteria (12) |
| PSYCHOMETRICS | Branch of science concerned with measuring mental and behavioural attributes (13) |
| HYDRODYNAMICS | Branch of science concerned with forces and fluids (13) |
| SEISMOLOGY | Branch of science concerned with earthquakes (10) |
| POLLENCOUNT | Often quoted on weather forecasts, this is the measurement of the number of grains discharged from the male part of a flower, per cubic metre of air (6,5) |
| BESSEL | He performed the first accurate measurement of the distance to a star and predicted the existence of Neptune (6) |
| CHEMISTRY | Area of science concerned with the interaction of substances (9) |
| METEORITE | A solid piece of debris from an object such as a meteor or comet, originating in space and surviving its passage through the atmosphere to reach the surface of Earth |
