Microscopes - Investigation 2
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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| focal plane | A thin layer (plane) at a fixed distance from the objective lens where the image is in focus.
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| dry mount | Capturing a specimen between two slides using no water.
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| field of view (FOV) | The view of the objects when looking through the eyepiece.
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| microscope | A tool used by scientists to make objects appear larger for study.
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| wet mount | Mounting a specimen using a drop or drops of water and a coverslip.
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| optical power | The total magnification that the microscope is set on. Multiply the eyepiece by the objective lens.
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| magnification | The number of times an image is made to look enlarged under the microscope or simple lenses.
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| ocular (eyepiece) | The part of the microscope you look through.
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| diaphragm | Part of the microscope that is used to adjust the amount of light that enters through the stage of a microscope.
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| objective lens | The nosepiece holds 3 or more of these. One is 4x, 10x and 40x.
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| total magnification | Find by multiplying the ocular by the objective lens in use.
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| millimeter | Smallest metric measurement on a ruler. 10mm = 1cm
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| diameter | A straight line across the center of circle.
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| orientation | The position of an object.
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| appearance | The way the object looks under the microscope compared to how it looks on the stage.
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| coarse adjustment knob (focus) | Moves the stage up and down quickly. Use only on LOW POWER.
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| fine adjustment knob (focus) | Moves the stage up and down slightly. Use on any power.
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| nosepiece | Rotates between the objective lenses.
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| slide | Holds the specimen for viewing.
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| coverslip | Small piece of plastic used to protect the specimen and microscope.
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| inverted | Same as upside down.
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| micrometer | Used to measure microscopic specimens. 1000 of these = 1mm
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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.
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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:
jhshwood
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