light energy - energy that travels in a straight line and through empty space, reflection - the bouncing back of light waves on a surface, refraction - the bending of light waves as they pass from one surface to another, absorption - light travels in a straight line until it hits an object and is soaked in, transmit - light travels in a straight line and can pass through, convex lens - a lens that makes objects appear larger, concave lens - a lens that makes objects look smaller, opaque - when no light can pass through a surface, translucent - when some light can pass through the object, transparent - almost all light can pass through the object,

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