Across
- 1. The star at the center of our solar system
- 4. normally visible part of the E-M Spectrum
- 7. The very earliest beginning
- 9. Referring to the nucleus
- 11. distance from one peak to the next
- 15. how often something happens
- 17. A series of related items or concepts that progress in a linear fashion
- 18. radiation spectrum
- 19. Rhythmic movement that carries energy through matter or space.
Down
- 2. All things and energy
- 3. Combining of materials or cultures to create something new
- 5. series of changes in the life of an organism including reproduction
- 6. Energy transfer by E-M waves
- 8. A collection of atoms that have the same number of protons
- 10. How fast something is going
- 12. Tool for observing things very far away
- 13. Ability to do work
- 14. Glowing ball of gasses
- 16. Group of stars