[ 435 ] Physical Science GED ® TEST SCIENCE FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • What is the word for the reflection of sound waves? Which of these statements about waves is true? A. A ray of light hits a water surface and is both reflected and refracted. B. Radio waves have the shortest wavelengths. C. Long wavelengths carry more energy. D. Electromagnetic waves do not include visible light. Crest Amplitude Wavelength Trough Parts of a Wave Are the parts of the wave in this diagram labeled correctly?