Lesson 2,4.
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 | Is the use of force to move an object some distances.
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| Medium | Is the meterial-solid liquid or gas through which a wave can travel.
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| Crest | The pointss where the wave is highest.
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| Trough | The ponits where the waves is lowest.
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| Longitudinal wave | Particles move back and forth in the same direction that the wave travels.
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| Compression | Engrey is transfred from one end of the spring toy to another.
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| Rarefraction | When you spread the coils apart.
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| Transverse wave | Wave,the spring coils move up and down.
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| Mechanical waves | Waves that require a meduim.
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| Amplitude | is a measure of how for particles in the meduim move from their rest postion.
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| Wavelength | Is defined as the distance from any ponit on a wave to the next identical ponit on the same wave.
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| Frequency | Is the number of waves that pass a ponit in a given amount of time usually one second.
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| Hertz | One hertz is equal to one wavelength per second.
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| Wave speed | The speed that waves travel.
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| Power | In a phyicial amount energy put out of or produced in agiven amount of time.
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| Work | Activity in which one exerts strength or faclties to do or perform something.
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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:
luis gonzalez
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