Cameras+and+eyes

Describe what can happen to light when it hits different materials. Recall which materials absorb the most light. Explain how eyes and pinhole cameras are similar. Recall the functions of the different parts of the eye.
 * Objectives (what you will learn this lesson**


 * Starter**
 * Key term quiz / review completed homework


 * Activities**
 * 1) Review what happen when light hits different materials (demonstrate/investigate using paper, wood and glass).
 * 2) Write 3 short sentences to describe what happens when light hits a material. Use the following words in your answer: transmit, absorb, reflect, opaque, translucent and transparent.
 * 3) Think of 4 examples of transparent, translucent and opaque objects and write them down in your exercise book.
 * 4) Watch the demonstration of the pinhole camera and see how it works.
 * 5) Draw and label a 2D diagram of the pinhole camera to show why the image is upside down. Here is a framework to help you [|pin-hole_camera_how_it_works_sheet.pdf]
 * 6) What [|parts of the eye] can you name?
 * 7) Now look at [|how your eyes work] using Brainpop
 * 8) Complete Q3, 6 on p151 of Exploring Science 8
 * 9) Complete the worksheet on [|Cameras and Eyes]
 * 10) Watch how you can add lines to show light rays in MS word then answer the questions on [|Investigating pinhole cameras]. Remember to print in black and white not colour there's seven pages to print and you don't want to waste ink.
 * 11) Extension: Read about [|photographic film] and complete the questions

Review completed classwork / key term quiz
 * Summary**

Make your own pinhole camera at home and use it to look at different things. You can use many different objects this [|worksheet] gives you a simple example.
 * Homework**