| Term | Definition |
| ultraviolet | the type of electromagnetic wave that causes skin cancer |
| radio micro infared red orange yellow green blue indago violet uv xray gamma | the electromagnetic spectrum |
| mechanical longitudinal | sound waves are these types of waves |
| electromagnetic transverse | electromagnetic waves are these types of waves |
| resonance | when an object is forced to vibrate at its natural frequency |
| 20-20,000 | the hearing range of a human |
| 3x10^8 | the speed of light |
| 340m/s | the speed of sound |
| gamma rays | used to kill cancer cells |
| x rays | used at hospitals |
| ultraviolet | causes skin cancer |
| infared | used to show heat in space |