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Lesson 5

Vocabulary

TermDefinition
Translucent A type of material that scatters light as it passes through
Transparent A type of material that transmits light without scattering it
Opaque A type of material that reflects or absorbs all of the light that strikes it
Diffuse reflection Reflection that occurs when parallel light rays hit an uneven surface and all reflect at different angles
Convex A mirror that curves outward or lens that is thicker in the center than at the edges
Focal point The point at which light rays parallel to the optical axis meet, after being reflected (or reflected) by a mirror (or lens)
Concave a mirror with a surface that curves inward or a lens that is thinner at the center than at the edges
Black Absorbs all light
White Reflects all light
Color it reflects Color we see
Filter A transparent material that can absorb certain colors
Seismic waves A mechanical wave that travels through earth materials during an earthquake
Seismograph An instrument that can detect and record seismic waves
Created by: user-1681277
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