Ch. 7 Light & Sound
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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| Concave lens | A lens that is thin in the middle and thick at the edges.
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| Concave mirror | A mirror that curves in at the middle.
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| Convex lens | A lens that is thick in the middle and thin at the edges.
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| Convex mirror | A mirror that curves outward at the middle
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| Image | A copy or likeness.
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| Lens | A curved piece of clear material that refracts light waves.
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| Photons | Small bundles of energy that make up light.
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| Plane mirror | A flat, smooth mirror.
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| Prism | A clear piece of glass or plastic that is shaped like a triangle and can be used to separate white light.
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| Reflection | The bouncing back of a light wave
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| Refraction | the bending of a light wave as it moves from one material to another.
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| Sound wave | A wave produced by vibrations.
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| Vibrate | To move rapidly back and forth.
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| Visible spectrum | The band of colors that make up white light.
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| Light | A form of energy that sometimes can be seen.
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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:
mtrampf
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