inventions & technology
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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| lesson 27 | lesson 27
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| simple microscope | microscope with only one lens.
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| electron microscope | device that uses a beam of electrons and magnetic coils to view magnified images.
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| compound microscope | microscope with two lens.
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| scanning tunneling microscope/STM | devise using electrical current
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| objective | bottom lens of microscope.
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| fluorescence microscopy | use of florescent stains to view microscopic organisms in great detail.
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| eyepiece | top lens of microscope.
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| achromatic | lens that eliminates distortion.
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| lesson 28 | lesson 28
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| medical imaging |
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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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