Across
- 4. the point through which the resultant of the gravitational forces on a body always acts
- 5. this entity as a source of nuclear energy
- 6. the property of a system that enables it to store electric charge
- 7. a negatively charged ion; an ion that is attracted to the anode during electrolysis
- 11. a unit of heat, equal to 4.1868 joules
- 12. the derived SI unit of radioactivity equal to one disintegration per second
- 14. a unit for comparing two currents, voltages, or power levels, equal to one tenth of a bel
- 17. random movement of microscopic particles suspended in a fluid, caused by bombardment of the particles by molecules of the fluid.
- 18. a fictitious force that can be thought of as acting outwards on any body that rotates or moves along a curved path
- 19. energy that heat generates
Down
- 1. a form of matter composed of antiparticles, such as antihydrogen
- 2. measurement of magnitude
- 3. the principle that the pressure of a gas varies inversely with its volume at constant temperature
- 5. a unit of length equal to 10–10 metre, used principally to express the wavelengths of electromagnetic radiations. It is equivalent to 0.1 nanometre
- 8. a substance, body, or system that conducts electricity, heat, etc
- 9. a continuous electric current that periodically reverses direction, usually sinusoidally
- 10. an electronic device used to increase the strength of the signal fed into it
- 13. any of a class of elementary particles that have a mass greater than or equal to that of the proton, participate in strong interactions, and have a spin of . either nucleons or hyperons.
- 15. unit used to measure electrical
- 16. a flow of electric charge through a conductor