Vocabulary 13 Quiz

a sound or series of sounds caused by the reflection of sound waves from a surface back to the listener.

• Reverberation

• echo

• Resonance

• Refraction

A unit used to compare the loudness of different sounds.

• Hertz

• Joule

• Decibel

• Watt

the property of energy that pushes atoms closer together momentarily before returning to their original position.

• Elasticity

• Kinetic Energy

• Potential Energy

• Momentum

The use of reflected sound waves to determine distances or to locate objects.

• Sonar

• Radar

• Echolocation

• Infrared Imaging

the change in frequency of a wave as its source moves in relation to an observer.

• Refraction

• Diffraction

• Interference

• Doppler Effect

the highness or lowness of a sound

• Volume

• Pitch

• Frequency

• Resonance

The loudness or softness of a sound. Measured in decibels.

• Pitch

• Frequency

• Volume

• Intensity

A system that uses reflected sound waves to locate and determine the distance to objects under water.

• Radar

• SONAR

• Infrared

• Ultrasound

The bouncing back of an object or a wave when it hits a surface through which it cannot pass.

• Refraction

• Diffraction

• Absorption

• Reflection

The bending of waves as they enter a new medium at an angle, caused by a change in speed.

• Reflection

• Refraction

• Diffraction

• Absorption