Unit Award Scheme

demonstrated the ability to

1. describe what a fresnel lens is

2. identify a similarity and a difference between a fresnel lens and a convex lens

3. show how a fresnel lens works by either drawing a diagram or by demonstrating using an object with a fresnel lens in it

4. draw a simple diagram to show the refraction of light with a fresnel lens and a regular convex lens

5. give one reason why fresnel lenses can be useful to use instead of a convex lens, or no lens at all

6. identify three real life uses for a fresnel lens.