Front

What are electromagnetic waves?

Back

Electromagnetic waves are waves that can travel through the vacuum of space and consist of oscillating electric and magnetic fields.

Front

What is the electromagnetic spectrum?

Back

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

Front

What type of electromagnetic waves are used in broadcasting?

Back

Radio waves.

Front

Which electromagnetic waves are used in ovens and cell phone communications?

Back

Microwaves.

Front

What are ultraviolet rays used for in the human body?

Back

Ultraviolet rays help the body produce vitamin D.

Front

Which electromagnetic waves have the highest frequencies?

Back

Gamma rays.

Front

What is the relationship between frequency and energy in electromagnetic waves?

Back

The higher the frequency, the higher the energy.

Front

What are the characteristics of radio waves?

Back

Radio waves have long wavelengths and low frequencies, making them suitable for communication.

Front

What is the role of infrared rays?

Back

Infrared rays are used in remote controls and thermal imaging.

Front

What is visible light?

Back

Visible light is the part of the electromagnetic spectrum that can be seen by the human eye.