Do now! normal Can you continue with the experiment we started yesterday. Can you measure (using a protractor) the angles between the beams and the normal?

Last lesson Speed of light and sound Reflection of light Using ray boxes

Light travels faster than sound Speed of light = 300 000 000 m/s Speed of sound (in air) = 330 m/s Light travels almost a million times faster!

Using ray boxes

Reflection normal

Today’s lesson The law of reflection “Mirror Island”

Can you follow Mr Porter?

Angle of incidence = Angle of reflection Normal Incident ray Reflected ray Angle of incidence Angle of reflection Mirror

Law of Reflection angle of incidence = angle of reflection Can you copy please? normal Angle of incidence Angle of reflection mirror angle of incidence = angle of reflection

Mirror Island

Homework Mirror Island 2 – Due next Wednesday 20th January.

There’s another dog there, I must sniff its bottom. Images in mirrors There’s another dog there, I must sniff its bottom.

Images in mirrors The image is the same size as the object The image appears to be the same distance from the mirror as the object The image is laterally inverted (left is right and right is left)

Mirror Writing

Can you mirror write? Roses are red Violets are blue Some poems rhyme But this one doesn’t!

A message to Mr Porter Mr Porter is going to collect your books in to mark. Can you write him a message in mirror writing?