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Electromagnetic Spec
Electromagnetic Spectrum
Term | Definition |
---|---|
Frequency | The frequency of a wave is the number of times per second that the wave cycles. |
Electromagnetic Spectrum | The range of waves that includes radio waves, microwaves, infrared waves, visible light, ultraviolet light, X-rays, and gamma rays. |
Trough | The lowest point on a wave. |
Crest | The highest part of a wave. |
Inverse Relationship | Shortest |
Longitudinal Waves | Longitudinal waves vibrate in the same direction that the wave travels. |
Amplitude | Amplitude is a measure of the wave’s height. It also tells us how much energy a wave has. Waves with more energy have higher amplitudes. |
Waves | Waves transport energy, not matter, from place to place. |
Wavelength | Wavelength measures the distance between wave peaks. The closer the peaks of the wave are to each other, the more energy the waves have. The opposite is also true: when the wavelength is longer, the waves have less energy. |
Sound waves | Sound waves are caused by vibrations. Since air is made of particles (matter), it transports sound very well. When a speaker vibrates it creates longitudinal waves that travel in ALL directions. |