concave and convex
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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convex | *Bend light rays to make objects to look bigger
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convex | *It is the thickest the middle
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convex | This lens is used in a magnifying glass, mos cameras, telescopes
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convex | These cause light to come together
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convex | the human eye has convex lens
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concave | Bend lights to make objects look smaller
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concave | it is thinnest in the middle (A concave lens look like opening to a cave so you can remember that it curves inward.)
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concave | these cause light to spread.
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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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