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Daily TAKS Connection: Wave Types, Characteristics, and Interactions . IPC(5): The student knows the effects of waves on everyday life. The student is expected to:

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Daily taks connection wave types characteristics and interactions l.jpg

Daily TAKS Connection:Wave Types, Characteristics, and Interactions

IPC(5): The student knows the effects of waves on everyday life. The student is expected to:

(A) demonstrate wave types and their characteristics through a variety of activities such as modeling with ropes and coils, activating tunings forks, and interpreting data on seismic waves..

(B) demonstrate wave interactions including interference, polarization, reflection, refraction, and resonance within various materials.

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Construct a two door, shutter fold foldable


Foldable handout



Colored pencils/crayons


Fold the paper along the solid fold lines (front side facing you)

Record your name, date and period on the reverse

Color the 2 doors (transverse wave, compression wave) each a different color

Foldable Instructions

Compression waves l.jpg
Compression Waves

  • rarefaction-the less dense region of a compression wave

  • compression-the more dense region of a compression wave

  • wavelength-measured from the start of one compression to the start of the next compression

  • TASK: Match the letter with the corresponding wave characteristic under the compression wave door.


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Transverse Waves

  • has crests and troughs

    • crest – high point of the wave

    • trough – low point of the wave

  • wavelength – from crest to crest or trough to trough

  • Amplitude is distance from crest or trough to the resting position of the wave

    • larger the amplitude, the greater the energy

      TASK: Following the instructions on the LH side under the transverse wave door of your foldable

Velocity of a wave l.jpg
Velocity of a Wave

  • Frequency - number of waves that pass a fixed point per second

    • measured in hertz (Hz); waves/second (1/s)

    • for sound waves, determines the pitch of the sound (how high or how low a note sounds)

  • Velocity – speed and direction of a wave

    • measured in meters per second (m/s)

  • Wavelength

    • Measured in meters (m)

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  • Using the velocity of a wave equation found on the formula chart, solve the problem shown under the compression wave door, RH side

  • Answer the question under the transverse wave door, RH side

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Let’s review Interactions

  • Constructive Interference

    • waves add up

  • Destructive Interference

    • waves cancel each other

Reflection l.jpg

  • Reflection

    • incident beam

    • normal

    • reflected beam

    • the law of reflection states that the angle of incidence equals the angle of reflection

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  • Refraction

    • bending of light when changing mediums

      • depends on speed of light in each medium

      • light bends toward normal when slowing down and away from normal when speeding up.

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  • Resonance

    • the ability of an object to vibrate at natural frequency when it absorbs energy

    • standing waves vibrate at natural frequencies

      • example: rim of glass, strings on a violin, bells

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  • Polarization

    • when light vibrates in one direction

      • Ex. Polarizing sunglasses

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Apply Your Knowledge

  • Using the cards, match the wave interaction with its definition and the picture that shows that type of interaction.

    Begin Matching Now!!

Question l.jpg

When trying to catch a fish in water, a bear needs to take into account the way light bends as it moves from water into air or it will miss the fish and go hungry. The bending of light as it passes from one medium into another is known as –

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Diverging lenses are useful to people who

suffer from nearsightedness because the

lenses can cause images of distant objects to

be focused on the retina. Lenses allow images

to be focused on the retina because of —

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One tuning fork is struck and placed next to an identical fork. The two forks do not touch. The second tuning fork starts to vibrate because of –

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A guitar player is seated next to a piano. The piano player strikes an E key on the piano. The guitarist reports that this causes the E string on his guitar to vibrate. What is the name of this phenomenon?

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The image on the screen is inverted because light rays –

A. condense as they pass through the pinhole

B. travel through the opening in straight lines

C. refract as they strike the screen

D. are polarized by the materials of the screen

Question18 l.jpg

When a DVD is read, laser light touches the DVD surface and is then measured at location A. What allows light to return to location A after striking the DVD surface?

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An empty cup was tightly covered with plastic

wrap, and a few grains of salt were sprinkled

on top of the plastic. When a tuning fork was

struck and placed slightly above the plastic

wrap, the salt began to move. Which

characteristic of waves does the movement

of the salt best demonstrate?

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Last Question!

Calculate the velocity of the wave shown?