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Light travels in straight lines
Light moves along a straight path unless it hits an object or passes through
different materials.
Light travels very fast
The speed of light in a vacuum is approximately 300,000 kilometers per second
(km/s).
Light can be reflected
When light hits a smooth surface, it bounces back. This is called reflection.
Light can be refracted
When light passes from one medium to another (like air to water), it changes
direction. This bending of light is called refraction.
Light can be absorbed
Some materials absorb light, converting it to other forms of energy like heat.
Light can be transmitted
Light can pass through transparent or translucent materials.
Light carries energy
Light energy can cause changes, like warming objects or enabling photosynthesis
in plants.
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