WAVES. Where do you find waves in nature? water waves, ocean waves, sound waves, radio waves, light waves, earthquake waves, microwaves, gamma waves,

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Presentation transcript:

WAVES

Where do you find waves in nature?

water waves, ocean waves, sound waves, radio waves, light waves, earthquake waves, microwaves, gamma waves, tsunami waves, tidal waves, and sun rays

Earthquake Waves

Light Waves

Microwaves

Radio Waves

Tsunami Waves

Tidal Waves YouTube:

Sound Waves

WHAT IS A WAVE? A wave is a disturbance that moves through a medium or space.

WHAT IS A WAVE? A wave may also be called a pulse, vibration, and/or displacement.

WAVE PULSE A wave pulse is a single disturbance going through a medium.

WAVE MEDIUM A wave medium is a substance which carries the wave from one location to another location.

WAVE MEDIUM Not all waves require a medium through which to travel.

WAVE MEDIUM What is the medium for this wave?

WAVE MEDIUM What is the medium for this wave?

TYPES OF WAVES There are 3 general types of waves: * Transverse Waves * Longitudinal or Compressional Waves * Standing Waves

TRANSVERSE WAVES In a transverse wave the medium moves at right angles (perpendicular) to the direction the wave travels.

TRANSVERSE WAVES

Examples of Transverse Waves: light and water waves

TRANSVERSE WAVES Parts of a Transverse Wave crest1 wavelength trough amplitude baseline, equilibrium position, or rest position

LONGITUDINAL WAVES Longitudinal waves cause matter to vibrate in the same direction (parallel) as the wave travels.

LONGITUDINAL WAVES

Examples of Longitudinal Waves: sound and traffic

LONGITUDINAL WAVES Longitudinal waves can also be called compressional waves.

LONGITUDINAL WAVES Parts of a Longitudinal Wave

STANDING WAVES Standing waves are generated when a series of wave pulses are sent through a medium and then reflected back upon themselves.

STANDING WAVES Parts of a Standing Wave node antinode

STANDING WAVES Parts of a Standing Wave The nodes are places of no movement. The antinodes are places of maximum displacement from the baseline.

WAVE REVIEW A. What type of wave is this?

WAVE REVIEW A. What type of wave is this? longitudinal or compressional wave

WAVE REVIEW B. What type of wave is this?

WAVE REVIEW B. What type of wave is this? transverse wave

WAVE REVIEW C. What type of wave is this?

WAVE REVIEW C. What type of wave is this? standing wave

WAVE REVIEW D. What type of wave is this?

WAVE REVIEW D. What type of wave is this? standing wave

WAVE REVIEW E. What type of wave is this?

WAVE REVIEW E. What type of wave is this? transverse wave

WAVE REVIEW F. What type of wave is this?

WAVE REVIEW F. What type of wave is this? transverse wave

WAVE REVIEW G. What type of wave is this?

WAVE REVIEW G. What type of wave is this? transverse wave

WAVE REVIEW H. What type of wave is this?

WAVE REVIEW H. What type of wave is this? longitudinal or compressional wave

WAVE REVIEW I. What type of wave is this?

WAVE REVIEW I. What type of wave is this? transverse wave

WAVE REVIEW J. What points represent crests?

WAVE REVIEW J. What points represent crests?

WAVE REVIEW K. What points represent troughs?

WAVE REVIEW K. What points represent troughs?

WAVE REVIEW L. Using point C, where would you find the amplitude?

WAVE REVIEW L. Using point C, where would you find the amplitude?

WAVE REVIEW M. Using point T, where would you find the amplitude?

WAVE REVIEW M. Using point T, where would you find the amplitude?

WAVE REVIEW N. Using point C, where would you find one wavelength?

WAVE REVIEW N. Using point C, where would you find one wavelength?

WAVE REVIEW O. Using point F, where would you find one wavelength?

WAVE REVIEW O. Using point F, where would you find one wavelength?

WAVE REVIEW P. Using point H, where would you find one wavelength?

WAVE REVIEW P. Using point H, where would you find one wavelength?

WAVE REVIEW Q. Using point H, where would you find 1/2 wavelength?

WAVE REVIEW Q. Using point H, where would you find 1/2 wavelength?

WAVE REVIEW R. How many nodes does the following wave have?

WAVE REVIEW R. How many nodes does the following wave have? 4

WAVE REVIEW S. How many antinodes does the following wave have?

WAVE REVIEW S. How many antinodes does the following wave have? 3

WAVE REVIEW T. How many compressions are in the following wave?

WAVE REVIEW T. How many compressions are in the following wave? 3

WAVE REVIEW U. What is the name of the point between compressions in the following wave?

WAVE REVIEW U. What is the name of the point between compressions in the following wave? rarefaction

WAVE REVIEW V. Fill in the Blank: A is a disturbance that moves through a medium or space.

WAVE REVIEW V. Fill in the Blank: A is a disturbance that moves through a medium or space. wave

WAVE REVIEW W. Fill in the Blank: A is a substance which carries the wave from one location to another location.

WAVE REVIEW W. Fill in the Blank: A is a substance which carries the wave from one location to another location. medium

WAVE REVIEW X. Fill in the Blank: A is a single disturbance going through a medium.

WAVE REVIEW X. Fill in the Blank: A is a single disturbance going through a medium. pulse