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Light
Use this StudyStack to prepare for the light exam (Gwinnett County, 4th grade).
Question | Answer |
---|---|
reflection | Light that bounces off an object, often at an angle. |
concave | This sort of lens bends inward and spreads light apart. |
transparent | This word describes an object that allows all (or almost all) light to pass through. |
opaque | This word describes an object that blocks light from passing through. |
translucent | This word describes an object that allows some light to pass through, but is often blurry and unclear. |
spectrum | The range of colors you can see, the "colors of the rainbow". |
light | A form of electromagnetic energy. |
convex | A lens that bends outward and focuses light towards a single (focal) point. |
refraction | A bending of light as it passes through different objects; example: a pencil standing in a glass of water. |