Electromagnetic Spectrum

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes visible light, radio waves, microwaves, infrared, ultraviolet, X-rays, and gamma rays.

Front

What is a wave?

Back

A wave is a repeating pattern that can transfer energy through space or matter.

Front

What type of waves cause sunburn?

Back

Ultraviolet waves are the type of waves from the sun that can cause sunburn.

Front

What are microwaves used for?

Back

Microwaves are used to make water molecules vibrate and warm up, commonly used in microwave ovens.

Front

What is wavelength?

Back

Wavelength is the distance from the peak of one wave to the peak of the next wave.

Front

What are gamma rays?

Back

Gamma rays are high-energy waves emitted by radioactive materials.

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second (km/s).

Front

What is frequency?

Back

Frequency is the number of waves that pass a point in one second, measured in hertz (Hz).

Front

What is amplitude?

Back

Amplitude is the height of a wave from its rest position to its peak, indicating the energy of the wave.

Front

What are radio waves used for?

Back

Radio waves are used for communication, including radio and television broadcasts.