| GEIGERCOUNTER | Gas-filled metal tube that detects ionizing subatomic particles, used to measure radiation (6.7) |
| GEIGER | Hans ____ is best-known as the co-inventor of a device used to measure radiation |
| PIPE | Metal tube that delivers water to a sink |
| ORDEROUT | Buy in filled metal-handled containers, say |
| IRONFILING | *One of a group of particles used to demonstrate a magnetic field |
| ATOMS | Particles used to reconstruct moats |
| ITCHINGPOWDER | Cosmetic particles used as a practical joke - predicting who? (anag) (7,6) |
| SPECKTROSCOPE | Instrument that detects tiny amounts of dirt? |
| INDIVISIBILIA | Things inseparable, like subatomic particles or the Trinity |
| RAD | Unit of absorbed dose of ionizing radiation equal to the amount of radiation that releases an energy of 100 ergs per gram of matter. (3) |
| BLADDER | Internal gas-filled organ that helps the animal to stay at a certain depth without having to swim (swim ___) |
| BATON | Metal tube passed from one runner to another in a relay race (5) |
| DOSAGES | Levels of exposure to ionizing radiation |
| DEBROGLIE | The first physicist to suggest that subatomic particles can also have the properties of waves (2,7) |
| MOUSE | Hand-held device, named after a rodent, that detects two-dimensional motion relative to a surface (5) |
| HANS | --- Geiger, German physicist after whom an instrument measuring ionizing radiation is named (4) |
| DELTARAY | In physics, a particle, often an electron, ejected from matter by ionizing radiation |
| IGNITRON | Finally squeezing iron and tin into gas-filled tube (8) |
| DEUTERON | Bombarding particles used in accelerators |
| SEMOLINA | Wheat particles used in puddings (8) |
