| A | B |
|---|
| wave | energy moving from place to place |
| crest | top extreme or peak of a wave |
| trough | bottom or lower extreme of a wave |
| rest position | where a wave would settle |
| wavelength | distance between crests or troughs |
| kinetic energy | the energy in moving objects |
| lambda | the symbol for wavelength |
| velocity | variable with the symbol v |
| factors | these cause or multiply effects |
| conserve | keep, not lose something |
| critical | really important, biggest influence |
| evidence | data or observations that support |
| colours | how eyes interpret light wavelengths |
| prism | transparent 3D shape; bends light |
| gravitational potential | energy available at the top/apex |
| seconds | the S.I. unit for time |
| red | found at the top of the rainbow |
| frequency | wave cycles per second e.g. number of peaks going past each second |
| medium | substance wave is moving through |
| speed of wave | Is the same for a particular medium (substance) |
