Learning Task 3
A. Identify the word, words described in each item. Write your answer before
the number
photons diffusion laser
convex lens
refraction
1 It is a thicker at the middle than at the edges.
2. Light travels at different speeds through different materials.
3. It is the scattering of light.
4. Light is made up of little packets called
5. It produces an incredibly powerful, concentrated for a light.​