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Astronomers use radio waves to detect and image distant objects in space.
RFID tags use microwaves to identify and track objects.
Microwaves are effectively high-frequency radio waves.
Microwaves are used in radar to find the position of planes, ships, and rain clouds.
The internal energy of food increases when microwaves are used in cooking.
Microwaves cannot pass through the atmosphere of the Earth.
Infrared waves are used in remote controls for televisions and other electronic gadgets.
Thermograms are images that show visible light waves emitted from objects.
Infrared waves are used in intruder alarm systems.
Visible light is part of the electromagnetic spectrum and is important for human vision.