7th grade waves
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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| waves | a disturbance that moves through matter or space
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| transverse waves | causes particles in matter to move back and fourth at right angles
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| compressional waves | causes particles matter to move back and fourth along the same direction
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| wave lengths | the distance between one point on a wave and the nearest point moving with the same speed and direction
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| frequency | is the numbers of wave length that pass by a point each second
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| law of reflection | the angle that the incoming wave makes with the normal equals the angle that the out going wave with the normal
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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 | the bending of waves around an object
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| Opaque | materials that let no light through
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| translucent | materials that let some light go through
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| transparent | lets all light through
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| reflect | when light bounces off an object
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| absorbs | when light is taken into an object
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| transmits | when light goes through an object
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| loudness | volume, magnitude of sound
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| pitch | how it sounds/quality(high, medium, or low)
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| echo location | the location of where the sound reflects
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| echo | a sound caused by sound waves bouncing of a surface back to a listener
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| dropper effect | the increase or decrease of sound, light, or other wave as a person moves closer of further from the other person
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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:
asegundo
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