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8th Grade Unit 3c
Waves part 3 Sound and Light
| Question | Answer |
|---|---|
| Supersonic | An object that can break the sound barrier |
| Tinnitus | Ringing or hissing in the ear as a result of listening to high frequency or high intensity sounds |
| Trough | The lowest part of a transverse wave |
| Transverse wave | A wave that moves energy in one direction but travels in a path that oscillates up and down in equal directions |
| Wavelength | The distance between two crests in a transverse wave or the distance between the compressions of a compression wave. |
| Angle of incidence | The angle at which light hits a reflective surface |
| Angle of reflection | The angle at which light leaves a reflective surface |
| Diffraction | The apparent bending of waves around small obstacles and the spreading out of waves past small openings |
| Electromagnetic radiation | Energy that moves as both a particle and a wave that can travel through any medium |
| Electromagnetic spectrum | The range of all possible wavelengths of electromagnetic radiation |
| Fiber optics | Optical fibers that can carry light over long distances that are used in communication and data transfer |