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21 Cards in this Set
- Front
- Back
reflection |
light bouncing off an object |
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refraction |
bending of light |
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lens |
a curved piece of clear glass or plastic that bends light rays |
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convex lens |
a lens that is thicker in the center and thinner at the edges, a shape that bends light inward |
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concave lens |
a lens that is thinner in the center and thicker at the edges, a shape that bends light outward |
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magnify |
to make an object appear larger than it is using a science tool |
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medium |
a substance through which energy or waves travel |
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opaque |
describes materials that do not let nay light pass through them |
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translucent |
describes materials that let some light pass though, but not all |
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transparent |
describes materials that let nearly all light pass though them |
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laser |
a tool that creates a strong beam of light |
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light spectrum |
the part of the electromagnetic spectrum that the human eye can see. ROY G BIV |
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illuminate |
to supply or brighten with light |
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mirror |
a reflective surface, now typically of glass coated with a metal amalgam, that reflects a clear image |
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binoculars |
an optical instrument with a lens for each eye, used for viewing distant objects |
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prism |
a glass bar that separates white light into the colors of the rainbow |
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kaleidoscope |
tube containing mirrors and pieces of colored glass or paper, whose reflections produce changing patterns that are visible through an eyehole when the tube is rotated |
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telescope |
a usually tubular optical instrument for viewing distant objects by means of the refraction of light rays through a lens or the reflection of light rays by a concave mirror |
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periscope |
an apparatus consisting of a tube attached to a set of mirrors or prisms, by which an observer (typically in a submerged submarine or behind a high obstacle) can see things that are otherwise out of sight. |
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transmit |
to permit (light, heat, etc.) to pass through a medium |
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absorb |
to take in something |