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Light Vocabulary

Light energy vocabulary for Unit 2 on Energy

TermDefinition
light energy energy that allows us to see ojects
reflection occurs when light hits and bounces off a smooth, shiny surface without being absorbed
refraction the bending of light waves as it moves from one medium to another
shadow the area behind an object that is formed when light is blocked by an opaque object.
transparent a material that allows light to pass through
transmit light rays passing through a material
translucent a material that allows some light to pass through and some is absorbed
opaque A material that does not allow light to pass through: the material absorbs the light.
convex lens A lens shaped like a football, thicker in the center than at the edges. Also known as converging lens, directs the light inward towards one focal point making the object appear larger and clearer. Examples are: magnifying glasses, camera lenses.
concave lens A lens that is thinner in the center than at the edges. Also known as diverging lens, directs light outward as it passes through. Examples are car headlights, and a movie projector.
absorb when light strikes an object and the energy from the light is transferred to the object
Sun The largest source of our light on Earth
magnify to cause an image to appear larger than the original with a convex lens
light spectrum The small part of the electromagnetic spectrum that we can see that includes red, green, blue, orange, yellow, violet.
Created by: pmccoy