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Heat and light (Heat and temperature (Definition of heat (Heat is a form…

- - - - Light from the book bounces unto our eyes
  - - - Allows all light to pass through
    - - Allows some light to pass though
    - - Allows no light to pass through
  - - - If a opaque object blocks the light ray
        
        The light will not be able to pass through
        
        Thus, a shadow will be created
    - - The shadow will follow the shape of the object blocking the light
        
        Example if a inverted cup is blocking the light
        
        The shadow will be a circle
    - - If the object is moved near to the light source, the shadow will be come bigger
      - If the light source is moved far from the object, the size of the shadow will become smaller.
- - - - Your eyes must be on the same level of the thermometer
        
        Read the results of the thermometer
  - - - Things become cold when they lose heat
        
        Heat travels from a hotter region to a colder region until both regions reach the same temperature
  - - - Now you can open the bottle