True or false? Warm objects emit radiation, but cool objects do not.

Energy carried by an electromagnetic wave is called _______.

True or false? Electromagnetic waves transfer energy from one place to another, even through empty space.

Waves that have a higher _______, have a higher energy.

The entire range of electromagnetic waves with different frequencies and wavelengths is called ____________.

A low-frequency, low-energy electromagnetic wave that has a wavelength longer than about 30 cm.

A _________ is a high-energy electromagnetic wave with a shorter wavelength and higher frequency than all other types of electromagnetic waves.

Which electromagnetic waves have the highest energy?

True or false? Light represents only a small portion of the total electromagnetic spectrum.

________ is the use of electromagnetic waves to send information in all directions.

A change in the amplitude of a carrier wave is called _____.

A change in the frequency of a carrier wave.

What does GPS stand for?

Satellites send and receive __________ to communicate information over long distances.