Waves and Electromagnetic Spectrum

Which type of wave is used in heat lamps?

Infrared waves

Another name for heat energy is...

Infrared waves. These cannot be seen by your eyes but can be felt by your skin.

Which type of electromagnetic radiation has the lowest frequency?

Radio waves

Which type of wave would TV broadcast signals be categorized?

Radio waves

These waves are used to penetrate solids and are used in doctor's offices and in airports.

X Rays

This electromagnetic radiation would be used by an oncologist (a physician who studies and treats cancer).

gamma rays

To keep baby chicks warm, the lamp used would be this type of electromagnetic radiation.

infrared waves

The electromagnetic Spectrum represents...

the different forms of electromagnetic radiation

What is the bottom of a wave called?

through

To examine the inside of an oil pipe, technicians would use this type of electromagnetic radiation.

x-rays

What is radiant energy?

Energy that travels by radiation. An example of this is light.

True or False. Radio waves, microwaves, and ultraviolet waves all have longer wavelengths than visible light.

False.

Which type of electromagnetic radiation is the most dangerous?

Gamma Rays. These have the highest energy of all electromagnetic radiation, they are the most damaging to human tissue.

What is the amplitude of a wave?

The maximum distance that matter is displaced from the resting position.

What is frequency?

The number of waves per unit of time.

True or False. Both X rays and gamma rays have higher frequencies than ultraviolet rays.

True

True or false. Radiant energy spreads out from its source in all directions.

True

True or False. The Sun radiates both visible energy and invisible energy.

True.

What type of wave is used by insects to locate nectar?

Ultraviolet

Which type of electromagnetic radiation can result in sunburns and skin cancer?

Ultraviolet Radiation

A hospital uses this type of electromagnetic radiation to keep surgical equipment sterile.

Ultraviolet waves

What are transverse waves?

Waves that occur when the motion of the medium is at right angles (perpendicular_ to the direction of the wave.

What are longitudinal waves?

Waves that occur when the motion of the medium is parallel to the direction of the wave.

The top of a wave is called the...

crest.

Your cell phone is a type of this electromagnetic radiation

radio waves

What type of wave has a color spectrum known as ROYGBIV?

visible light

What is the distance between one point of a wave to the same point in the next wave called?

wavelength

True or False. Communicating with satellites is an application of gamma rays.

False. Communicating with satellites is an application of radio waves.

True or false. Electromagnetic radiation includes only visible light waves.

False. Electromagnetic radiation includes ALL of the electromagnetic spectrum.

True or False. X-rays have more energy than gamma rays.

False. Gamma rays have more energy than x rays

True or false. Microwaves are a type of infrared wave.

False. Microwaves are a type of electromagnetic radiation.

Which type of wave has the shortest wavelength and the highest frequency?

Gamma Rays