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Light Energy
Unit 4 week 3
Term | Definition |
---|---|
mirror | Smooth surface that reflects an image of what is in front of it. |
reflection | The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface. |
lens | Piece of clear material, such as glass or plastic, that bends light rays as they pass through, can either focus or spread light rays. |
laser | Device that makes a strong, narrow beam of light. |
magnify | To cause to appear larger. |
prism | A solid glass or plastic object that light can pass through that refracts light and splits it into the colors of the rainbow. |
telescope | An instrument that uses lenses and sometimes mirrors to make distant objects appear larger by gathering and focusing light. |
kaleidoscope | A tube with mirrors and colorful beads or glass inside of it, when the tube is held to the eye and rotated, patterns can be seen as the objects reflect off the mirrors. |
light spectrum | The small part of the electromagnetic spectrum that the human eye can see including the colors red, orange, yellow, green, blue, violet. |
refraction | The bending of light rays, bending light means that it changes direction and/or speed. |