Light and Sound Vocab

The transfer of energy into a medium

• Absorption

• Diffraction

• Reflection

• Refraction

When a wave encounters an object in its path and bends around it

• Absorption

• Diffraction

• Reflection

• Refraction

Energy waves bouncing off the surface of an object

• Absorption

• Diffraction

• Reflection

• Refraction

Energy waves bending (changing direction and speed) as they pass from one type of object to another

• Absorption

• Diffraction

• Reflection

• Refraction

Waves of energy made by vibrations; require a medium (air, water, or solids) to travel

• Sound Waves

• Visible Light

• Echo

• Light Waves

Electromagnetic waves with wavelengths longer than ultraviolet waves but shorter than infrared waves and within the range that can be detected by the eye

• Sound Waves

• Visible Light

• Echo

• Light Waves

Sound caused by the reflection of sound waves off a surface traveling back to the listener

• Medium

• Electromagnetic Waves

• Echo

• Visible Light

Oscillations of electromagnetic fields that carry energy through a medium or through a vacuum

• Medium

• Electromagnetic Waves

• Echo

• Visible Light

The material through which a wave travels

• Medium

• Electromagnetic Waves

• Echo

• Visible Light

A rhythmic disturbance that moves through a medium or vacuum

• Speed

• Wave

• Light Wave

• Density