unit 9
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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| show | electromagnetic waves
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| show | medium
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| Visible light has a higher frequency than | show 🗑
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| show | electromagnetic spectrum
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| show | gamma rays
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| Visible light can be separated into a spectrum of various | show 🗑
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| show | 1 hertz
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| show | the frequency of the wave
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| What kind of waves do cellular telephones use to transmit and receive signals | show 🗑
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| show | radio waves
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| On AM broadcasts, what modulates | show 🗑
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| show | They help your body produce vitamin D
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| show | wavelength times frequency
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| show | are transverse waves
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| show | gamma rays
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| show | infrared waves
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| The frequency of purple light is ____ that of yellow light | show 🗑
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| show | X rays
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| Gamma rays are dangerous because they | show 🗑
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| show | radio waves
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| show | radio waves
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| In electromagnetic waves, the magnetic fields are ____________________ to the electric fields | show 🗑
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| show | Ultraviolet
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| The part of the electromagnetic spectrum you can see is called ____________________ light | show 🗑
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| The electromagnetic waves that have the lowest frequencies are called | show 🗑
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| A thermogram identifies the warm and cool parts of an object by using | show 🗑
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| show | fields
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| show |
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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:
s730338