Electromagnetic Spectrum Vocabulary (Waves)

Electromagnetic Spectrum Vocabulary

By Margo Sanner

Electromagnetic Spectrum

The range of wavelengths or frequencies over which electromagnetic radiation extends

​Crest: The middle of the high point of each wave

Parts of the Wave

Multiple Choice

Which point is the crest?

• A

• B

• C

• D

​Trough: the middle point at the bottom of each wave

Parts of the Wave

Multiple Choice

Which point is the trough?

• A

• B

• C

• D

​Amplitude: The height of the wave from the wave from the midpoint/centerline

Parts of the Wave

Multiple Choice

Which point is the amplitude?

• A

• B

• C

• D

​Wavelength: The distance between the crest or troughs of a given point during a given time
λ

Parts of the Wave

Multiple Choice

Which point is the wavelength?

• A

• B

• C

• D

The distance between the crest or the troughs of a wave

​

Wavelength

Multiple Choice

Which image shows a shorter wavelength?

The number of waves that pass through a given point during a given time ​

Frequency

Multiple Choice

Which picture shows the higher frequency wave?

The height of the wave from the wave from the midpoint/centerline

​

​Amplitude

Multiple Choice

Which wavelength has the higher amplitude?