7th Grade Waves Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Wave | A disturbance that moves through matter or space. They carry energy from one place to another
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| Transverse Wave | Causes particles in matter to move in right angles to the direction the wave travels. (Mechanical Wave)
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| Compressional Wave | Causes particles in matter to move back and forth along the same direction in which the wave travels. (Mechanical Wave)
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| Wavelength | The distance between one point on a wave and the nearest point moving with the same speed and direction.
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| Frequency | The number of wavelengths that pass by a given point each second.
FREQUENT
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| Law of Reflection | States that the angle the incoming wave makes with the normal to the reflecting surface equals the angle the reflected wave make with the surface
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| Refraction | The change in direction of a wave when it changes speed as it travels from one material to another.
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| Diffraction | Bending of waves around an object
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| Mechanical Wave | Needs matter
ie. earthquake, tsunami(water), sound
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| Electromagnetic Wave | No matter needed
ie. light, heat
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| Opaque | No light pass through them
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| Translucent | Allowing some light through but it is not clear
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| Transparent | Allowing all light to pass through
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| Reflect | The process of light striking an object and bouncing back
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| Absorb | take in
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| Transmit | cause something to pass on from one place to another
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| Pitch | the degree of highness or lowness of tone
Frequency
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| Loudness | producing or capable of producing much noise, easily audible
Amplitude
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| Echolocation | the location of objects by reflected sounds
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| Echo | a sound or series of sounds caused by the reflection of sound waves from as surface back to the listener
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| Doppler Effect | an increase or decrease in the frequency of sound, light, or other waves as the source and observer move toward or away from each other.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
ldoris
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