| A | B |
|---|
| photon | a particle of light |
| convection | thermal energy moving through a gas or liquid |
| sound wave | made up of rarefactions and compressions |
| image | when light reflects off a shiny surface an ____ of the light source is seen |
| medium | sound waves travel through this |
| frequency | high notes have more _____ than low notes |
| temperature | the measurement of the average energy of molecules in an object |
| prism | light can be separated using this |
| circuit | a path of conductors that electric current can pass through |
| magnetic field | the directions of the magnetic forces around a magnet |
| conduction | the passing of heat through a material by touching |
| steel | sound travels the fastest through this medium |
| translucent | lets light through but not clearly ( waxed paper) |
| electromagnet | an electric circuit that produces a magnetic field |
| Doppler Effect | the reason a horn sounds different approaching and leaving |
| iron | an excellent conductor |
| switch | is needed to be able to open and close a circuit |
