Int. Sci. Ch. 16
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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Reflection | The bouncing back off a ray of light, sound, or heat when the ray hits a surface that it doesn't go through
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Diffraction | A change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening
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Refraction | The bending of a wave front as it passes between two substances in which the speed of the wave differs
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Interference | The combo. of two or more waves that produces an intensity equal to the sum of the intensities of the individual waves
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Pitch | A measure of how high or low a sound is perceived to be, depending on the frequency of the sound wave
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Resonance | When two objects naturally vibrate at the same frequency
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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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archergirl
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