Across
- 2. push or pull
- 5. of waves
- 7. age- age in years
- 8. balance
- 10. to measure frequency
- 12. dwarf star
- 14. cutting- fault that cuts through
- 15. of wavelength
- 16. giant cloud in space
- 19. a screen that can go through tissue but is blocked by your bones
Down
- 1. cools on surfaces
- 3. maximum value in a cycle
- 4. biggest planet
- 6. a magnitude but no direction
- 9. distance over a oscillation
- 11. old fossils before new
- 13. 4.5 billion years old
- 17. spews out of a volcano
- 18. force x distance