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chapter 4 study guid
| Question | Answer |
|---|---|
| a pice o cork floting on the surface of a pond would | move up and down when a wave passed |
| the more energy a wave carries the --- will be | grater its amplitude |
| wich material absorbs or reflects all the light that strikes it | wood |
| a sound that has a high pitch has a | high freqency and a short wavelength |
| you can be sure that two sounds that have different decibels decibel levels have different | itensities |
| the inner ear contains the | cochlea |
| is the passing of wave enrgy through matter | transmishen |
| the pocces of the wave energy changing to thermal energy and remaining in matter is called | obsor |
| why brightness and loundness are similer concepts | both are humen perpstencs the intensity of waves |
| a definition of the retina and ochlea taht culd be used t ilutrat the law of reflection | mirror the changes |
| why effective sunscreens are neededto offer protetion from the sun | the uvw are harmfull to the humen skin |
| the saller waches waves pass his ship fro today | 1st day there shroter and weeker the 2 day bthe waves were larger and stronger |