Exaggeration used for emphasis or humour that’s not meant to be taken literally. Chances are you’ve used hyperbole before when talking to your friends. What about this? "OMG she was dying of laughter” ...

Fran: I am looking at my reflection. When light from an object is reflected by a surface, it changes direction - it bounces off the surface. So, if we shine this light onto this mirror, then we can ...