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7th Grade Science Chapter 9 Lesson 2 vocabulary

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
ray   A straight line used to represent a light wave  
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regular reflection   Reflection that occurs when parallel rays of light hit a smooth surface and all reflect at the same angle.  
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image   A copy of an object formed by reflected or refracted rays of light.  
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diffuse reflection   Reflection that occurs when parallel rays of light hit an uneven surface and all reflect at different angles.  
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plane mirror   A flat mirror that produces an upright virtual image the same size as the object.  
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virtual image   An upright image formed where rays of light appear to come from.  
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concave mirror   A mirror with a surface that curves inward.  
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optical axis   An imaginary line that divides a mirror in half.  
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focal point   The point at which light rays parallel to the optical axis meet, or appear to meet, after being reflected (or refracted) by a mirror (or lens).  
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real image   An upside-down image formed where rays of light meet.  
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convex mirror   A mirror with a surface that curves outward.  
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