What are light waves called? electromagnetic waves ar What are visible light waves? the small portion of electromagnetic waves that are ... The molecules in the matter move back and forth in the direction in which the sound wave is moving. ... These waves, called electromagnetic A I When sunlight passes through a raindrop, the different waves that make up visible light move at slightly different speeds.
|Title||:||Harcourt Science: Physical science, [grade] 5, Units E and F, teacher's ed|