Electricity
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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| Diffraction | bending of waves around an object
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| Electromagnetic Wave | waves that can travel through matter or empty space
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| Electromagnetic Spectrum | complete range of electromagnetic wave frequencies and wavelengths
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| Compressional Wave | mechanical wave that causes particles in matter to move back and forth along the direction the waves travel
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| Transverse Wave | mechanical wave that causes particles in matter to move at right angles to the direction the wave travels
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| Intensity | amount of energy a wave carries past a certain area past a certain area each second
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| Pitch | human perception of the frequency of sound
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| Infrared Wave | electromagnetic wave with wavelengths between about one thousandth of a meter and 700 billionths of a meter
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| Reverberation | repeated echoes of sound waves
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| Wavelength | distance between one point on a wave and the nearest point moving with the same speed of direction
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| Wave | disturbance that moves through matter and space and carries energy
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| Frequency | number of wavelengths that pass a given point in one second, measuring in hertz
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| Refraction | change in direction of a wave when it speed as it travels from one material into another
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| Ultraviolet Waves | electromagnetic waves with wavelengths between about 400 billionths and 10 billionths of a meter
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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 makes with the surface
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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:
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