Across
- 3. the extent or amount of space between two things, points, lines, etc.
- 4. - the act of reflecting, as in casting back a light or heat, mirroring, or giving back or showing an image; the state of being reflected in this way.
- 7. - a change in velocity.
- 10. the action or process of moving or of changing place or position; movement
- 11. - the act of absorbing.
- 12. rapidity in moving, going, traveling, proceeding, or performing; swiftness; celerity:
Down
- 1. - to decrease the velocity of:
- 2. - physical power or strength possessed by a living being:
- 5. - the fourth letter of the Greek alphabet (Δ, δ).
- 6. - Physics. the change of direction of a ray of light, sound, heat, or the like, in passing obliquely from one medium into another in which its wave velocity is different.
- 8. the science that deals with matter, energy, motion, and force
- 9. - the part of the invisible spectrum that is contiguous to the red end of the visible spectrum and that comprises electromagnetic radiation of wavelengths from 800 nano meters to 1 millimeter.