Sound and Light Waves

Fill in the blank: _______ is the taking in of energy by a medium.

• Absorption

• Reflection

• Transmission

• Scattering

Fill in the blank: _______ is the maximum displacement of a wave from its resting position.

• Amplitude

• Frequency

• Wavelength

• Velocity

Fill in the blank: The highest point of a wave is called the _______.

• crest

• trough

• amplitude

• wavelength

Fill in the blank: A _______ is a unit used to measure the intensity of a sound.

• Decibel

• Hertz

• Watt

• Newton

Fill in the blank: _______ occurs when a wave bends around an object.

• Diffraction

• Reflection

• Refraction

• Absorption

Fill in the blank: An _______ is the reflection of a sound wave from a surface back to the listener.

• echo

• reverb

• noise

• vibration

Fill in the blank: An _______ is a wave that contains an electric and a magnetic field and can travel through a vacuum.

• Electromagnetic Wave

• Sound Wave

• Mechanical Wave

• Seismic Wave

Fill in the blank: _______ is the number of times per second that a wave cycles.

• Frequency

• Amplitude

• Wavelength

• Velocity

Fill in the blank: _______ is a measurement of the strength of a sound wave.

• Intensity

• Frequency

• Wavelength

• Amplitude

Fill in the blank: _______ occurs when one wave comes into contact with another wave.

• Interference

• Reflection

• Diffraction

• Refraction