Across
- 1. the displacement of spectral lines toward longer wavelengths
- 5. same mass as a proton but has a negative electric charge
- 8. Science of the origin of the universe
- 9. A physical property that is the same in all directions
- 10. speed of light
- 11. Has the same mass as regular matter but has the opposite magnetic and electric charge
- 13. SI base unit of temperature
Down
- 2. Degree or intensity of heat in a substance
- 3. a hypothetical scenario in which the expansion of the universe re collapses, ending the universe
- 4. basic unit of chemical measurement (makes up everything)
- 6. A particle that represents quantum light
- 7. Similar or uniform in construction
- 12. the indefinite continued progress of existence and events in the past, present, and future