| Answer | Crossword Clue |
|---|---|
| explosion | A violent expansion in which energy is transmitted outward as a shock wave |
| explosions | A violent expansion in which energy is transmitted outward as a shock wave |
| exploded | Undergo a violent expansion in which much energy is released as a shock wave |
| explodes | Undergo a violent expansion in which much energy is released as a shock wave |
| exploding | Undergo a violent expansion in which much energy is released as a shock wave |
| refraction | deflection from a straight path undergone by a light ray or energy wave in passing obliquely from one medium (as air) into another (as glass) in which its velocity is different |
