Unit 2 Vocabulary

A nearby object vibrating at the same frequency

• Refraction

• Wave

• Resonance

• Absorption

Wave changes direction when it travels by the edge or through an object

• Diffraction

• Absorption

• Transverse Wave

• Transparent

What is a substance that travels through energy, or light from one substance to another?

• Absorption

• Medium

• Electromagnetic Waves

• Echo

The HIGHEST point on a wave is called:

• Trough

• Crest

• Medium

• Amplitude

The LOWEST point on a wave is called:

• Trough

• Crest

• Wave

• Hertz(hz)

A measurement from trough to trough, or crest to crest

• Transverse Wave

• Longitudinal Wave

• Crest

• Wavelength

The number of wavelengths that pass by a certain point per second

• Frequency

• Medium

• Light

• Echo

A certain type of wave that can ONLY travel through matter

• Mechanical Wave

• Electromagnetic Wave

• Transverse Wave

• Light

A wave in which the vibration is PERPENDICULAR to the direction the wave travels

• Mechanical Wave

• Transverse Wave

• Electromagnetic Wave

• Longitudinal Wave

A wave in which the vibration is PARALLEL to the direction the wave travels

• Transverse Wave

• Mechanical Wave

• Longitudinal Wave

• Electromagnetic Wave