Year 8 Science - Electromagnetic Spectrum

Front

What electromagnetic wave do humans emit as heat energy?

Back

Infrared light

Front

The human eye is only capable of seeing which electromagnetic wave?

Back

Visible Light

Front

What electromagnetic wave has the longest wavelengths and lowest frequencies?

Back

Radio Waves

Front

Does the color blue have more energy than the color red?

Back

True

Front

What happens to wavelength as the frequency of a wave increases?

Back

Decreases

Front

What is the electromagnetic spectrum?

Back

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

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (km/s).

Front

What type of electromagnetic wave is used in microwave ovens?

Back

Microwaves

Front

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

Back

Higher frequency waves have more energy.

Front

What is visible light?

Back

The portion of the electromagnetic spectrum that is visible to the human eye, ranging from approximately 400 to 700 nanometers.