What are the properties of all waves and wave motion?
Electromagnetic waves from low to high frequency
Source: https://marine.rutgers.edu/cool/education/class/josh/em_spec.htmlHow do waves behave?
Ripple Free app see Wave Properties (3:37)
What properties can be demonstrated when using the ray model of light?
Science Prep Course Physics: Lesson 2 - Ray Model of Light (7:05)
Refractive index from PhysicsNet.co.uk has a useful summary. Try the Refraction Interactive activity with worksheet. In Australia, we spell the word "fibre". Look at the diagram of optic fibre cable.
How are temperature, thermal energy and particle motion related?