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  1. 1. LIGHTBY:PEDRO,SERGIO AND ASENSIO
  2. 2. LIGHT Light moves in a straight line. Light moves very fast.
  3. 3. LIGHT AND SHADOWS When light cannot travel through an object , a shadow is formed.The shadow of an object is always formed on the opposite side to the source of light.
  4. 4. THE RAINBOW The rainbow is formed of 7 colours: red, orange, yellow, green, blue, indigo and violet. The white is formed of 7colours: red, orange, yellow, green, blue, indigo and violet.
  5. 5. TRANSPARENT, TRANSLUCENT AND OPAQUETransparent objects, like clear glass bottles, allow light to pass through.We can see objects that are behind them. Translucent objects allow some light to pass through, but we cannot see objects behind then very clearly.Opaque objects, for examplewood and cardboard, do notallow light to pass through.
  6. 6. CONDUCTORS AND INSULATORS  Materials like iron, aluminium and glass are conductors.  They get hot and cold quickly.  Materials like wood and plastic are insulators.  They get hot and cold slowly.

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