the nature of waves learning goals: recognize that waves transfer energy, but not matter. define...

The Nature of Waves Learning Goals: Recognize that waves transfer energy, but not matter. Define mechanical waves. Compare and contrast transverse and compression (longitudinal) waves.

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The Nature of Waves

Learning Goals:

Recognize that waves transfer energy, but not matter.

Define mechanical waves.Compare and contrast transverse and

compression (longitudinal) waves.

Page 2: The Nature of Waves Learning Goals: Recognize that waves transfer energy, but not matter. Define mechanical waves. Compare and contrast transverse and

WAVESDefinition:

A traveling disturbance that carries energy through matter and space

Waves transfer energy without transferring matter.

Waves are produced by something that vibrates.

Page 3: The Nature of Waves Learning Goals: Recognize that waves transfer energy, but not matter. Define mechanical waves. Compare and contrast transverse and

WAVESVibrations:

Movement that follows the same path, repeatedly

Most waves are caused by a vibrating object.

Page 4: The Nature of Waves Learning Goals: Recognize that waves transfer energy, but not matter. Define mechanical waves. Compare and contrast transverse and

WAVESMechanical Waves:

Waves that require a mediumTwo types: transverse and compression

(longitudinal)Examples are seismic and sound waves.Medium: matter (the stuff) through which a

wave travelsExamples include water, air, and solids.

Page 5: The Nature of Waves Learning Goals: Recognize that waves transfer energy, but not matter. Define mechanical waves. Compare and contrast transverse and

TYPES OF WAVESTRANSVERSE

•Motion of particles is perpendicular to the motion of the wave.•Examples – electromagnetic waves, waves on a rope, water waves•Draw an example in your notes. (Think of the slinky.)

COMPRESSION(LONGITUDINAL)

•Particles in a medium will vibrate parallel to the direction of wave motion.•Example – sound waves•Draw an example in your notes. (Think of the slinky.)

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