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| A dark shape caused when an object blocks light |
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| A shadow will be on the ___ side of an object as the light source |
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| A substance that blocks all light rays |
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| A transparent material used to bend light |
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| All the colors that make up light |
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| An object that allows some, but not all, light rays to pass through |
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| Colors that are reflected by the objects around us |
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| Formed when an opaque object blocks light |
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| Light travels in straight lines called |
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| Objects that allow all light to pass through |
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| Objects that can make their own light |
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| Objects that cannot make their own light |
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| The back part of the eye where an image forms |
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| The bending of light as it passes from one substance to another |
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| The bouncing of light off an object |
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| The opening in the iris that allows light to enter the inside of the eye |
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| The order in which light enters the eye |
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1. cornea 2. pupil 3. lens 4. retina |
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| The part of the eye that refracts light to focus it |
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| The part of the eye that sends messages to the brain |
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| The transparent, curved covering in the front of the eye |
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eyeglasses microscopes magnifying glasses telescopes |
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| Used to correct farsightedness |
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| Used to correct nearsightedness |
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| When a shadow is shortest |
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