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Have you ever felt heat from a fireplace? Or the warm rays of the Sun? Then you've encountered infrared waves! Infrared waves are a type of electromagnetic wave. We cannot see infrared waves, but they are all around us. The unique characteristics of infrared waves have led to their use in TV remote controls, thermal imaging cameras, and devices that monitor Earth and space.
This model shows different types of electromagnetic waves.
Complete the sentence.
Compared to visible light, infrared waves have  wavelengths, have  frequencies, and carry  energy.
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