Across
- 2. freeze is also known as heat death
- 4. molecules formed by a atoms
- 6. era matter that began to dominate the affect of radiation pressure
- 7. degree of substance
- 8. light or radiation that that carries energy
- 11. temp in the size of degrees Celsius
- 12. a negativity charge in a proton
- 13. matter a space that could take any of several forms
- 15. in the past or present and future
Down
- 1. speed speed this also a rate informal
- 3. the basic unit of chemical element
- 5. the displacement spectral lines toward longer wavelengths
- 9. heat or substance or object
- 10. shift a frequency due to Doppler affect
- 14. crunch high density and temp