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Stack #3710709
| Question | Answer |
|---|---|
| a piece of cork floating on the surface of a pond would | move up and down if a wave passed |
| the more energy a wave carries the | greater the amplitude will be |
| a matrial that absorbs light that strikes it | wood |
| a sound that has a high pitch | has a high frequncy and short wavelength |
| diffifent decble levles | intincity |
| the inner ear has | the cochlea |
| is the passing of wae energy throgh matter | transmission |
| the prosses of energy changing to thermal energy and remaining matter | absorbtion |
| is the bouncing of wave energy off of matter and back toward its sorce | reflection |
| why brighness and loudness are simaler concepts | both are human preception of the intencity of waves |
| deffinition of cochlea and retnia | they both send nerve signals to the brain |
| demonstration of law of reflection | if a light freflects off of a smooth surface it also depnds on the angle |
| why is sunscreen needed | because uv rays can damage your skin |
| number 21 scenario | if you have a big rock and a little rock you drop the big one in the wavelenght is longer and lower frequency and the small low amp |
| and high frequency |
Created by:
ben roininen