Across
- 2. substance composed of subatomic particles that have the mass, electric charge, and magnetic moment of the electrons, protons, and neutrons of ordinary matter but for which the electric charge and magnetic moment are opposite in sign
- 7. the distance light travels in one year
- 8. the study of the relations between heat, work, temperature, and energy
- 10. the indefinite continued progress of existence and events in the past, present, and future regarded as a whole.
- 11. a completely empty space.
- 12. the physical interaction among electric charges, magnetic moments, and the electromagnetic field
- 13. the quality or state of being singular
- 14. instruments that measure electromagnetic radiation
Down
- 1. the apparent displacement or the difference in apparent direction of an object as seen from two different points not on a straight line with the object
- 3. the SI base unit of thermodynamic temperature (equivalent in size to the degree Celsius), first introduced as the unit used in the Kelvin scale.
- 4. a pair of equal and oppositely charged or magnetized poles separated by a distance.
- 5. the displacement of spectral lines toward longer wavelengths
- 6. change in observed wavelength, or frequency
- 8. the degree or intensity of heat present in a substance or object
- 9. origin and development of the universe
